CN218037773U - Fault test equipment of controller and fault test system of controller - Google Patents
Fault test equipment of controller and fault test system of controller Download PDFInfo
- Publication number
- CN218037773U CN218037773U CN202222601893.8U CN202222601893U CN218037773U CN 218037773 U CN218037773 U CN 218037773U CN 202222601893 U CN202222601893 U CN 202222601893U CN 218037773 U CN218037773 U CN 218037773U
- Authority
- CN
- China
- Prior art keywords
- fault
- controller
- circuit
- relay
- short circuit
- 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.)
- Active
Links
Images
Landscapes
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Abstract
The utility model provides a fault test equipment of controller and fault test system of controller, this equipment includes: a box body; short circuit control device sets up in the box for receive short circuit control signal, analog controller short circuit fault operating mode, wherein, the trouble short circuit operating mode of controller includes: a positive short-circuit fault of a power supply, a ground short-circuit fault of the power supply and a short-circuit fault between connecting lines; the circuit breaking control device is arranged in the box body, is connected with the short circuit control device, and is used for receiving a circuit breaking control signal and simulating the circuit breaking fault working condition of the controller; and the main control chip is respectively connected with the short circuit control device and the open circuit control device and is used for sending a short circuit control signal or an open circuit control signal. The utility model discloses can avoid the short circuit fault operating mode or the trouble operating mode that opens circuit of manually operation analog control ware pencil, lead to the lower problem of test accuracy to when improving efficiency of software testing, improved the accuracy of test.
Description
Technical Field
The utility model belongs to the technical field of the vehicle test technique and specifically relates to a trouble test equipment of controller and trouble test system of controller are related to.
Background
When carrying out pencil connection fault test to vehicle controller, adopt manual mode to detect usually, nevertheless carry out the short circuit of controller or open circuit test through manual operation mode for efficiency of software testing is lower, and is influenced by human factor greatly, appears the mistake easily when testing.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least.
Therefore, the utility model discloses a first aim at provides a fault test equipment of controller, and this test equipment can avoid the short circuit fault operating mode or the trouble operating mode that opens circuit of manual operation analog control ware pencil, leads to the lower problem of test accuracy to when improving efficiency of software testing, improved the accuracy of test.
Therefore, a second objective of the present invention is to provide a fault testing system for a controller.
In order to achieve the above object, an embodiment of a first aspect of the present invention provides a fault testing apparatus for a controller, the apparatus including: a box body; short circuit control device sets up in the box for receive short circuit control signal, simulation controller short circuit trouble operating mode, wherein, the trouble short circuit operating mode of controller includes: the short-circuit fault of the positive end of the power supply, the short-circuit fault of the ground end of the power supply and the short-circuit fault between the connecting wires; the open circuit control device is connected with the short circuit control device, arranged in the box body and used for receiving an open circuit control signal and simulating the open circuit fault working condition of the controller; and the main control chip is respectively connected with the short circuit control device and the open circuit control device and is used for sending the short circuit control signal or the open circuit control signal.
According to the utility model discloses the trouble test equipment of controller through set up short circuit controlling means and the controlling means that opens circuit in the trouble test equipment at the controller to according to received short circuit control signal or the control signal that opens circuit, simulate the short circuit trouble operating mode of controller or the trouble operating mode that opens circuit, with the automation that realizes trouble test equipment, avoid manual operation to lead to the lower problem of test accuracy, thereby when improving efficiency of software testing, improved the accuracy of test.
In some embodiments, the short circuit control device comprises: a plurality of first relays for performing an opening or closing action; and the first relay driving module is connected with the first end of each first relay and used for receiving the short-circuit control signal sent by the main control chip and controlling each first relay to be opened or closed.
In some embodiments, each of the first relays further includes a second terminal and a third terminal, the second terminal of the first relay being connected to a test channel for receiving a corresponding test signal; and the third end of the first relay is connected with a common end, and the common end is connected with a power supply anode and a power supply grounding end.
In some embodiments, the failure testing apparatus of the controller further includes: and the short circuit control device and the open circuit control device are connected through the inter-board connecting device.
In some embodiments, the short circuit control device further comprises: and the public relay group is connected with the second relay driving module and used for controlling each first relay to be connected to the power supply anode or the power supply grounding end.
In some embodiments, the common relay group includes a first common relay and a second common relay, and a first end of the first common relay is interlockingly connected with a first end of the second common relay.
In some embodiments, the trip control apparatus comprises: a plurality of second relays that perform an opening or closing action; and the third relay driving module is connected with the first end of each second relay and used for receiving the circuit breaking control signal sent by the main control chip and controlling the relays to be turned on or turned off.
In some embodiments, each of the second relays includes a second terminal and a third terminal, the second terminal of the second relay is connected with one end of the test channel, and the third terminal of the second relay is connected with the other end of the test channel.
In some embodiments, the failure test apparatus of the controller further includes: and the manual control device is used for receiving a short circuit control signal or a short circuit control signal input by a user and simulating a short circuit fault working condition or a broken circuit fault working condition of the controller.
In order to achieve the above object, an embodiment of a second aspect of the present invention provides a fault testing system of a controller, the testing system including: a controller; the fault test equipment of the controller according to the embodiment is connected with the controller and used for simulating a short-circuit fault working condition or an open-circuit fault working condition of the controller; HIL (Hardware-in-the-loop) testing equipment connected with the fault testing equipment and used for performing performance testing on the short-circuit fault working condition or the open-circuit fault working condition of the controller
According to the utility model discloses fault testing system of controller through set up short circuit controlling means and the controlling means that opens circuit in the fault testing equipment at the controller to according to received short circuit control signal or the control signal that opens circuit, simulate the short circuit trouble operating mode of controller or the trouble operating mode that opens circuit, with the automation that realizes fault testing equipment, avoid manual operation to lead to the lower problem of test accuracy, thereby when improving efficiency of software testing, improved the accuracy of test.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a block diagram of a fault testing system of a controller according to an embodiment of the present invention;
fig. 2 is a block diagram of a fault testing device of a controller according to one embodiment of the present invention;
fig. 3 is a block diagram of a framework of a fault testing system of a controller according to one embodiment of the present invention;
fig. 4 is a schematic circuit diagram of a short circuit control device according to an embodiment of the present invention;
fig. 5 is a schematic circuit diagram of a common relay group according to an embodiment of the present invention;
fig. 6 is a schematic circuit diagram of a circuit breaking control device according to an embodiment of the present invention.
Reference numerals: a fault testing system 100; HIL test equipment 101; a controller 102; a failure test device 1 of the controller; a case 10; a short circuit control device 11; a disconnection control device 12; a main control chip 13; a first relay 110; a first relay drive module 111; a test channel 112; a common terminal 113; a common relay group 114; a first common relay 115; a second common relay 116; an interplate connection means 14; a second relay 120; a second relay driving module 121; a third relay drive module 122.
Detailed Description
Embodiments of the present invention are described in detail below, and the embodiments described with reference to the drawings are exemplary.
Fig. 1 is a block diagram of a fault testing system of a controller according to an embodiment of the present invention. As shown in fig. 1, the fault testing system 100 of the controller includes an HIL testing device 101, and a controller 102, such as a vehicle-mounted controller and a fault testing device 1 of the controller, when performing a wire harness test of the controller 102, the fault testing device 1 of the controller is connected to the controller 102 and the HIL testing device 101, and the fault testing device 1 of the controller is controlled to perform corresponding short circuit or open circuit control according to a received short circuit control signal or open circuit control signal, so as to simulate the short circuit or open circuit of the wire harness of the vehicle-mounted controller, so that the HIL testing device 101 tests the short circuit or open circuit fault of the vehicle-mounted controller.
The following is to exemplify the fault testing device of the controller of the embodiment of the present invention with reference to fig. 2, as shown in fig. 2, the fault testing device 1 of the controller of the embodiment of the present invention at least includes: a box body 10, a short circuit control device 11, a circuit breaking control device 12 and a main control chip 13, wherein,
short circuit controlling means 11 sets up in box 10 for receive short circuit control signal, analog controller short circuit fault operating mode, the trouble short circuit operating mode of controller includes: the short-circuit fault of the positive end of the power supply, the short-circuit fault of the ground end of the power supply and the short-circuit fault between the connecting wires; the circuit breaking control device 12 is arranged in the box body 10, is connected with the short circuit control device 11, and is used for receiving a circuit breaking control signal and simulating the circuit breaking fault working condition of the controller; the main control chip 13 is connected to the short circuit control device and the open circuit control device, respectively, and is configured to send a short circuit control signal or an open circuit control signal. It CAN be understood that the HIL test apparatus 101 performs information interaction with the main control chips of the short circuit control device 11 and the open circuit control device 12 in a CAN (Controller Area Network) communication manner, so that the number of control harnesses is small and the connection is simple.
In the embodiment, when the fault test of the controller wire harness is performed, the upper computer sends a test instruction to realize an automatic fault injection test, after the upper computer sends the test instruction, the main control chip 13 in the fault test equipment receives the test instruction and sends a corresponding control signal according to the received test instruction, for example, the upper computer sends a short circuit test instruction, the main control chip 13 receives the short circuit test instruction and sends a short circuit control signal corresponding to the short circuit test instruction, at this time, the short circuit control device 11 receives the short circuit control signal to control the on-off state of a device in the short circuit controller device, for example, a relay, so as to simulate a controller short circuit fault working condition, and it can be understood that the short circuit fault working condition of the controller can be divided into a positive power supply short circuit fault, a ground power supply short circuit fault and a short circuit fault between connecting lines.
Similarly, when the open circuit control device 12 receives the open circuit control signal, the open/close state of a device in the open circuit control device 12, such as a relay, is controlled to simulate the open circuit fault condition of the controller, thereby realizing the automation of the fault testing equipment.
According to the utility model discloses fault testing equipment 1 of controller, through set up short circuit controlling means 11 and circuit break controlling means 12 in fault testing equipment 1 at the controller, with according to received short circuit control signal or circuit break control signal, simulate the short circuit trouble operating mode or the circuit break trouble operating mode of controller, with the automation that realizes fault testing equipment, avoid manual operation to lead to the lower problem of test accuracy, thereby when improving efficiency of software testing, the accuracy of test has been improved.
In some embodiments, as shown in fig. 3, a block diagram of a framework of a fault testing system of a controller according to an embodiment of the present invention is provided. Wherein, short circuit controlling means 11 includes: a plurality of first relays 110, the plurality of first relays 110 being used to perform an opening or closing action; the first relay driving module 111, the first relay driving module 111 is connected to the first end 1' of each first relay 110, and is configured to receive the short circuit control signal sent by the main control chip 13, and control each first relay 110 to turn on or turn off.
In the embodiment, as shown in fig. 4, a schematic circuit structure diagram of a short circuit control device according to an embodiment of the present invention is shown. As can be known from fig. 3 and 4, the short circuit control device 11 includes a plurality of first relays 110 and a first relay driving module 111, and the first relay driving module 111 is respectively connected to the main control chip 13 and the first relay 110, and is configured to control the first relay 110 to be turned on or off when receiving the short circuit control signal.
In some embodiments, as shown in fig. 4, each first relay 110 further comprises a second terminal 2' and a third terminal 3', the second terminal 2' being connected to the test channel 112 for receiving a respective test signal; the third terminal 3' is connected to the common terminal 113, and the common terminal 113 is connected to the positive power supply terminal and the ground power supply terminal.
In an embodiment, the second end 2' of each first relay 110 is connected to the test channel 112 for receiving a corresponding test signal, for example, connected to one of the wire harnesses of the controller for receiving a corresponding test signal under the test channel, so as to control the on/off of the relay according to the test signal; the third terminal 3' of the first relay 110 is connected to the common terminal 113, and the short circuit between the common terminal 113 and the positive power supply terminal and the ground power supply terminal is controlled by the common relay set.
In some embodiments, as shown in fig. 3, the failure test apparatus 1 of the controller further includes: the board-to-board connection device 14, the short-circuit control device 11, and the disconnection control device 12 are connected by the board-to-board connection device 14.
In the embodiment, the disconnection control device 12 and the short circuit control device 11 are connected by the board-to-board connector 14, so that the disconnection control device 12 and the short circuit control device 11 can be increased or decreased according to actual test requirements, for example, when disconnection test is not required, the disconnection test device 12 is removed to reduce cost.
In some embodiments, as shown in fig. 5, the circuit structure of the public relay group according to an embodiment of the present invention is schematically illustrated. As can be seen from fig. 4 and 5, the short circuit control device 11 further includes: and the common relay group 114, the common relay group 114 being connected to the second relay driving module 121 for controlling each first relay 110 to be connected to the positive electrode of the power supply or the ground terminal of the power supply.
In an embodiment, as shown in fig. 5, the common relay set 114 is connected to the second relay driving module 121, and the second relay driving module 121 controls the common relay set 114 to be turned on or off, so as to achieve a connection state between the common terminal 113 and the positive electrode of the power supply or the ground terminal of the power supply. It can be understood that the common terminal 113 of the short circuit control device 11 is the same common terminal as the common terminal 113 of the common relay group.
In some embodiments, the common relay group 114 includes a first common relay 115 and a second common relay 116, and a first terminal 4 of the first common relay 115 is interlockingly connected with a first terminal 4 of the second common relay 116.
In an embodiment, as shown in fig. 5, the first terminal 4 of the first common relay 115 is connected to the first terminal 4 of the second common relay 116, so that the first common relay 115 and the second common relay 116 are interlocked, and the connection between the first relay 110 and the power source anode or the power source ground can be switched by the interlocking design, thereby reducing the number of relays, reducing the cost, avoiding the connection between the power source anode and the power source ground at the same time, and reducing the risk of circuit damage.
In some embodiments, as shown in fig. 6, the circuit structure of the disconnection control device according to an embodiment of the present invention is schematically illustrated. The disconnection control device 12 includes: a plurality of second relays 120, the plurality of second relays 120 performing an opening or closing action; and the third relay driving module 122, where the third relay driving module 122 is connected to the first end 5 of each second relay 120, and is configured to receive a circuit-breaking control signal sent by the main control chip 13, and control the relays to be turned on or turned off.
In an embodiment, as shown in fig. 3 and fig. 6, the disconnection control device 12 includes a plurality of second relays 120 and a third relay driving module 122, and the third relay driving module 122 is connected to the main control chip 13 and the second relays 120, respectively, and is configured to control the second relays 120 to be turned on or off when receiving a disconnection control signal, so as to simulate disconnection of the wiring harness.
In some embodiments, as shown in fig. 6, the plurality of second relays 120 includes a second port 6 and a third port 7, the second port 6 being connected with one end 122 of the test channel, and the third port 7 being connected with the other end 123 of the test channel.
In an embodiment, as shown in fig. 6, a second port of the second relay 120 is connected to one end 122 of the test channel, and a third port 7 is connected to the test channel and the other end 123, so that the current test channel can be tested by controlling on/off of the second relay 120.
In some embodiments, the failure test apparatus 1 of the controller further includes: and the manual control device is used for receiving a short circuit control signal or a short circuit control signal input by a user and simulating the short circuit fault working condition or the open circuit fault working condition of the controller.
In an embodiment, the fault testing device 1 of the controller further comprises a manual control device, and a user manually controls the short-circuit or open-circuit test by controlling the manual control device so as to simulate the short-circuit or open-circuit fault condition of the controller.
Specifically, when the short circuit or the open circuit working condition of the controller is simulated through the manual control device, the banana socket in the fault testing equipment 1 of the controller leads out each wire harness to the panel of the box body 10, so that a user can conveniently control the short circuit or the open circuit of the fault testing equipment, the short circuit or the open circuit fault working condition of the controller is simulated, and meanwhile, an external instrument or equipment can be used for observing signals under the short circuit or the open circuit working condition on the box body 10.
In other embodiments, the wire harnesses led out from the HIL test apparatus 101 are collected to the connector of the fault test apparatus of the controller through the connector, and led out from the connector of the fault test apparatus to the vehicle-mounted controller, and the wire harnesses are connected in a centralized manner and are easy to be structured, so that the test efficiency can be improved.
In other embodiments, the number of test channels of the failure test apparatus 1 of the controller may be increased or decreased according to actual test requirements.
According to the utility model discloses fault testing equipment 1 of controller through set up short circuit controlling means and the controlling means that opens circuit in the fault testing equipment at the controller to according to received short circuit control signal or the control signal that opens circuit, simulate the short circuit trouble operating mode of controller or the trouble operating mode that opens circuit, in order to realize fault testing equipment's automation, avoid manual operation to lead to the lower problem of test accuracy, thereby when improving efficiency of software testing, improved the accuracy of test.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, 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 do not necessarily refer to the same embodiment or example.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. A failure test apparatus of a controller, comprising:
a box body;
short circuit control device sets up in the box for receive short circuit control signal, simulation the short circuit fault operating mode of controller, wherein, the trouble short circuit operating mode of controller includes: the fault circuit comprises a power supply positive end short-circuit fault, a power supply ground end short-circuit fault and a short-circuit fault between connecting wires;
the circuit breaking control device is arranged in the box body, is connected with the short circuit control device, and is used for receiving a circuit breaking control signal and simulating the circuit breaking fault working condition of the controller;
and the main control chip is respectively connected with the short circuit control device and the open circuit control device and is used for sending the short circuit control signal or the open circuit control signal.
2. The fault test apparatus of a controller according to claim 1, wherein the short circuit control device includes:
a plurality of first relays for performing an opening or closing action;
and the first relay driving module is connected with the first end of each first relay and used for receiving the short-circuit control signal sent by the main control chip and controlling each first relay to be opened or closed.
3. The failure testing apparatus of a controller according to claim 2, wherein each of the first relays further includes a second terminal and a third terminal,
the second end of the first relay is connected with the test channel and used for receiving a corresponding test signal;
and the third end of the first relay is connected with a common end, and the common end is connected with a power supply anode and a power supply grounding end.
4. The fault testing apparatus of a controller according to claim 1, further comprising: and the short circuit control device and the open circuit control device are connected through the inter-board connecting device.
5. The fault test apparatus of a controller according to claim 3, wherein the short circuit control device further comprises: and the public relay group is connected with the second relay driving module and used for controlling each first relay to be connected to the power supply anode or the power supply grounding end.
6. The fault testing apparatus of a controller according to claim 5, wherein the common relay group includes a first common relay and a second common relay, and a first end of the first common relay is interlockingly connected with a first end of the second common relay.
7. The fault test apparatus of a controller according to claim 1, wherein the disconnection controlling means includes:
a plurality of second relays that perform an opening or closing action;
and the third relay driving module is connected with the first end of each second relay and used for receiving the circuit breaking control signal sent by the main control chip and controlling each second relay to be turned on or turned off.
8. The failure testing apparatus of a controller according to claim 7, wherein each of the second relays includes a second terminal and a third terminal,
and the second end of the second relay is connected with one end of the test channel, and the third end of the second relay is connected with the other end of the test channel.
9. The fault testing apparatus of a controller according to claim 1, further comprising:
and the manual control device is used for receiving a short circuit control signal or a short circuit control signal input by a user and simulating a short circuit fault working condition or a broken circuit fault working condition of the controller.
10. A fault testing system for a controller, comprising:
a controller;
the fault testing device of the controller according to any one of claims 1 to 9, connected to the controller, for simulating a short-circuit fault condition or an open-circuit fault condition of the controller;
and the HIL testing equipment is connected with the fault testing equipment and is used for testing the short-circuit fault working condition or the open-circuit fault working condition of the controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222601893.8U CN218037773U (en) | 2022-09-30 | 2022-09-30 | Fault test equipment of controller and fault test system of controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222601893.8U CN218037773U (en) | 2022-09-30 | 2022-09-30 | Fault test equipment of controller and fault test system of controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218037773U true CN218037773U (en) | 2022-12-13 |
Family
ID=84357674
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222601893.8U Active CN218037773U (en) | 2022-09-30 | 2022-09-30 | Fault test equipment of controller and fault test system of controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218037773U (en) |
-
2022
- 2022-09-30 CN CN202222601893.8U patent/CN218037773U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104297631B (en) | Failure diagnosis apparatus and diagnosis and repair method thereof for ring main unit distribution terminal | |
| CN101566849B (en) | Functional parameter test system for automobile electronic controller and test method thereof | |
| CN110501998B (en) | BMS hardware in-loop test system and test method | |
| CN110928196B (en) | Double-star combined test energy simulation and monitoring system | |
| CN103747405A (en) | Loudspeaker reliability test device | |
| CN218037773U (en) | Fault test equipment of controller and fault test system of controller | |
| CN111220827A (en) | Automatic plugging and unplugging test method and control device | |
| CN210668925U (en) | Communication harness, simulation test equipment and system | |
| CN212060937U (en) | Switch array instrument | |
| CN105045198B (en) | The automatic detection cabinet of the total wire box of integrated type elevator | |
| CN209280824U (en) | Failure simulation device based on battery simulator | |
| CN208297670U (en) | The test device of the control panel of wind electric converter | |
| CN113671300A (en) | Batch test system and test method for relay protection devices | |
| CN110943891A (en) | Detection apparatus for be used for switch port broadcast storm | |
| CN215493868U (en) | Cab electric appliance detection equipment | |
| CN216117913U (en) | Wire harness test switching system based on analog switch | |
| CN215932102U (en) | Line testing device | |
| CN203350865U (en) | Computer case testing device | |
| CN219105350U (en) | Fault signal simulation device | |
| CN109406900B (en) | Fault simulation device based on battery simulator | |
| CN217360626U (en) | Testing device for control equipment | |
| CN218754347U (en) | Elevator control box testing device | |
| CN213957429U (en) | Manual control's stitch break-make simulation case | |
| CN214427564U (en) | Trim fuse device for wafer chip test | |
| CN220474193U (en) | Electrical troubleshooting training equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |