CN213875935U - Testing device for A-type switch module - Google Patents
Testing device for A-type switch module Download PDFInfo
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- CN213875935U CN213875935U CN202022128274.2U CN202022128274U CN213875935U CN 213875935 U CN213875935 U CN 213875935U CN 202022128274 U CN202022128274 U CN 202022128274U CN 213875935 U CN213875935 U CN 213875935U
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- 238000012360 testing method Methods 0.000 title claims abstract description 92
- 238000004891 communication Methods 0.000 claims abstract description 6
- 238000013522 software testing Methods 0.000 abstract description 3
- 238000001514 detection method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
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- 230000009286 beneficial effect Effects 0.000 description 1
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Abstract
The utility model relates to a testing arrangement of A type switch module belongs to switch test technical field. The test device comprises: the upper computer is used for being in communication connection with the switch control panel of the A-type switch module; the power supply is used for supplying power to the testing device; a master control switch and a test circuit; the test circuit comprises a plurality of test branches, and each test branch is connected with the inlet wire branch of the A-type switch module in a one-to-one correspondence manner; the test branch is provided with an indicator light for displaying the connection/disconnection of the line; the power supply, the master control switch and the test circuit are used for being connected with the wire inlet end and the wire outlet end of the A-type switch module in series. The utility model discloses a testing arrangement easy operation can reduce artifical test step, is showing and promotes efficiency of software testing to solve the problem that artifical test is makeed mistakes easily, improved the reliability of test.
Description
Technical Field
The utility model relates to a testing arrangement of A type switch module belongs to switch test technical field.
Background
The A-type switch module is a four-in two-out switch device for the direct-current charging machine, and has a change-over switch, a communication function, a switch state feedback detection function, an address selection function and a fault alarm function. The quality of the a-type switch module is a key that affects whether the power of the dc charger can realize the dynamic distribution function, so the a-type switch module needs to be tested before the a-type switch module is put into use.
The prior art tests for type a switch modules have typically relied on manual testing. To the control function's of 16 contactors in the A type switch module detection, need the manual work to adopt the universal meter to carry out the one-by-one measurement, complex operation has reduced the efficiency of test, is unfavorable for the propulsion of production progress to inconvenient the record, make mistakes easily, lead to the result reliability of test poor.
SUMMERY OF THE UTILITY MODEL
An object of this application is to provide a testing arrangement of A type switch module for solve current test procedure inefficiency, the poor problem of reliability.
In order to achieve the above object, the present application provides a technical solution of a testing apparatus for an a-type switch module, including:
the upper computer is used for being in communication connection with the switch control panel of the A-type switch module;
the power supply is used for supplying power to the testing device;
a master control switch and a test circuit; the test circuit comprises a plurality of test branches, and each test branch is connected with the inlet wire branch of the A-type switch module in a one-to-one correspondence manner; the test branch is provided with an indicator light for displaying the connection/disconnection of the line;
the power supply, the master control switch and the test circuit are connected in series with the wire inlet end and the wire outlet end of the A-type switch module to complete the test of the A-type switch module.
The utility model discloses a testing arrangement of A type switch module's technical scheme's beneficial effect is: the utility model discloses well power, total accuse switch, test line, inlet wire end and leading-out terminal establish ties the back, and the host computer sends the closed instruction of contactor to the switch control panel, and after corresponding contactor is closed, the pilot lamp in the corresponding test branch road lights, shows that contactor control function is normal, and is corresponding, and the pilot lamp does not light and shows that contactor control function is abnormal, preserves the result of testing at last. The utility model discloses a testing arrangement easy operation can reduce artifical test step, is showing and promotes efficiency of software testing to solve the problem that artifical test is makeed mistakes easily, improved the reliability of test.
Furthermore, in order to avoid the overcurrent phenomenon, a current limiting resistor for limiting current is arranged on the test branch.
Furthermore, in order to facilitate line connection, the master control switch comprises a first switch and a second switch, the line outlet ends comprise a first line outlet end and a second line outlet end, and the power supply, the first switch, the first line outlet end, the line inlet branch correspondingly connected with the first line outlet end and the corresponding test branch are connected in series; the power supply, the second switch, the second wire outlet end, the wire inlet branch correspondingly connected with the second wire outlet end and the corresponding test branch are connected in series.
Furthermore, in order to facilitate line connection, the first switch is connected to the first wire outlet end through a first output connector, and the second switch is connected to the second wire outlet end through a second output connector.
Further, for the convenience of line connection, a plurality of test branch circuits are integrated on a lamp plate, and a plurality of test branch circuits are connected with the corresponding inlet wire branch circuit through an input connector.
Drawings
Fig. 1 is a circuit topology diagram of the type a switch module of the present invention;
fig. 2 is a testing schematic block diagram of the testing device of the a-type switch module of the present invention;
fig. 3 is an electrical connection diagram of the testing device of the present invention and the first output of the a-type switch module;
fig. 4 is an electrical connection diagram of the testing device and the second output of the a-type switch module according to the present invention.
Detailed Description
Embodiment of testing device of A type switch module:
the utility model provides a testing arrangement is applicable to the detection of A type switch module, and A type switch module is a four switching device that advances two, and its circuit topology is as shown in figure 1, including 1DC + and 1DC-, 2DC + and 2DC-, 3DC + and 3DC-, 4DC + and 4DC-, four direct current input end, every direct current input end is through being provided with two tunnel outputs of inlet wire branch connection of positive contactor and negative contactor: DC1+ and DC1-, DC2+ and DC 2-.
The specific connection relationship is as follows:
the positive direct current input end 1DC + is connected with a first positive output DC1+ through the inlet branch circuit 1, the inlet branch circuit 1 is provided with a positive contactor 1K1, the negative direct current input end 1 DC-is connected with a first negative output DC1 through the inlet branch circuit 2, and the inlet branch circuit 2 is provided with a negative contactor 1K 2; the positive direct current input end 2DC + is connected with a first positive output DC1+ through a wire inlet branch 3 provided with a positive contactor 2K1, and the negative direct current input end 2 DC-is connected with a first negative output DC 1-through a wire inlet branch 4 provided with a negative contactor 2K 2; the positive direct current input end 3DC + is connected with a first positive output DC1+ through a line inlet branch 5 provided with a positive contactor 3K1, and the negative direct current input end 3 DC-is connected with a first negative output DC 1-through a line inlet branch 6 provided with a negative contactor 3K 2; the positive direct current input end 4DC + is connected with a first positive output DC1+ through a wire inlet branch 7 provided with a positive contactor 4K1, and the negative direct current input end 4 DC-is connected with a first negative output DC 1-through a wire inlet branch 8 provided with a negative contactor 4K 2;
the positive direct current input end 1DC + is connected with a second positive output DC2+ through a wire inlet branch 9 provided with a positive contactor 1K3, and the negative direct current input end 1 DC-is connected with a second negative output DC 2-through a wire inlet branch 10 provided with a negative contactor 1K 4; the positive direct current input end 2DC + is connected with a second positive output DC2+ through a wire inlet branch 11 provided with a positive contactor 2K3, and the negative direct current input end 2 DC-is connected with a second negative output DC 2-through a wire inlet branch 12 provided with a negative contactor 2K 4; the positive direct current input end 3DC + is connected with a second positive output DC2+ through a wire inlet branch 13 provided with a positive contactor 3K3, and the negative direct current input end 3 DC-is connected with a second negative output DC 2-through a wire inlet branch 14 provided with a negative contactor 3K 4; the positive direct current input end 4DC + is connected with the second positive output DC2+ through the wire inlet branch 15 provided with the positive contactor 4K3, and the negative direct current input end 4 DC-is connected with the second negative output DC 2-through the wire inlet branch 16 provided with the negative contactor 4K 4.
Meanwhile, the A-type switch module also comprises a switch control panel which is communicated with the outside through a communication line CAN-H, CAN-L to receive an external control signal and control the on and off of each contactor; the switch control panel also comprises a power supply end which supplies power to the A-type switch module through a 12V power supply.
The circuit topology of the A-type switch module is packaged in a shell, and the shell is provided with an incoming line end, two outgoing line ends and a USB interface. The two wire outlet ends are respectively a first wire outlet end and a second wire outlet end.
The test apparatus, as shown in fig. 2, includes: the test device comprises an upper computer, a power supply, a test circuit, an X1 output connector (namely a first output connector), an X2 input connector, an X3 output connector (namely a second output connector), and two idle switches (a first switch and a second switch in a master control switch). The type of the X1 output connector and the type of the X3 output connector are JDS-04FZ, and the type of the X2 input connector is JDS-32Z.
The upper computer is connected with the USB interface of the A-type switch module through a USB switching serial port line and used for issuing a contactor on/off instruction to the switch control panel through the upper computer.
The X1 output connector is matched and plugged with the first outlet end, the X2 output connector is matched and plugged with the inlet end, and the X3 output connector is matched and plugged with the second outlet end.
The two air switches are an air switch KK1 (first switch) and an air switch KK2 (second switch), the air switch KK1 and the air switch KK2 are both 2P air switches, the input end of the air switch KK1 is connected with a 12V power supply and the ground, one end of the output end of the air switch KK1 is connected with a DC1+ and a DC1- (also a first wire outlet end) through an X1 output connector, and the other end of the output end of the air switch KK1 is connected with a test line; the input end of the air switch KK2 is connected with a 12V power supply, one end of the output end of the air switch KK2 is connected with DC2+ and DC2- (namely a second wire outlet end) through an X3 output connector, and the other end of the output end of the air switch KK2 is connected with a test line.
The test circuit comprises a plurality of test branches which are respectively branch 1, branch 2, branch 3, branch … … and branch 16, wherein the input ends of the branches 1 to 8 are connected with the other end of the output end of the air switch KK 1; the input ends of the branch circuits 9 to 16 are connected with the other end of the output end of the air switch KK 2; the output end of each test branch is connected with the inlet wire branch in the A-type switch module in a one-to-one correspondence mode through an X2 input connector, each test branch is provided with an indicator lamp for displaying the connection/disconnection of the branch and a current-limiting resistor for limiting current, and the test circuit is integrated on one lamp panel.
The specific connection relationship is as shown in fig. 3 and 4 as follows:
an indicator light LED1 and a current-limiting resistor R11 are arranged on the branch 1, and the output of the branch 1 is connected with a line inlet branch 1 in the A-type switch module;
an indicator light LED2 and a current-limiting resistor R12 are arranged on the branch 2, and the output of the branch 2 is connected with the incoming line branch 2 in the A-type switch module;
an indicator light LED3 and a current-limiting resistor R1 are arranged on the branch 3, and the output of the branch 3 is connected with a line inlet branch 3 in the A-type switch module;
an indicator light LED4 and a current-limiting resistor R2 are arranged on the branch 4, and the output of the branch 4 is connected with a line inlet branch 4 in the A-type switch module;
an indicator light LED5 and a current-limiting resistor R3 are arranged on the branch 5, and the output of the branch 5 is connected with a line inlet branch 5 in the A-type switch module;
an indicator light LED6 and a current-limiting resistor R4 are arranged on the branch 6, and the output of the branch 6 is connected with the incoming line branch 6 in the A-type switch module;
an indicator light LED7 and a current-limiting resistor R5 are arranged on the branch circuit 7, and the output of the branch circuit 7 is connected with an incoming line branch circuit 7 in the A-type switch module;
an indicator light LED8 and a current-limiting resistor R6 are arranged on the branch 8, and the output of the branch 8 is connected with a line inlet branch 8 in the A-type switch module;
the input end of branch circuit 1-branch circuit 8 is connected with pin 4(12V + A) of the air switch KK1, pin 3 of the air switch KK1 is connected with a 12V power supply, the output end DC1+/DC1 of incoming line branch circuit 1-incoming line branch circuit 8 is connected with pin 1 of the air switch KK1, and pin 2 of the air switch KK1 is grounded.
The test principle is as follows: when the air switch KK1 is closed, the pin 1 is communicated with the pin 2, the pin 3 is communicated with the pin 4, each test branch is electrified, when the switch control board receives an instruction of the upper computer to control the closing of any one of the contactors in the incoming line branches 1-8, the indicator lamp in the corresponding branch is on, and the control function of the contactor is normal.
An indicator light LED9 and a current-limiting resistor R11-2 are arranged on the branch 9, and the output of the branch 9 is connected with an incoming line branch 9 in the A-type switch module;
an indicator light LED10 and a current-limiting resistor R12-2 are arranged on the branch 10, and the output of the branch 10 is connected with an incoming branch 10 in the A-type switch module;
an indicator light LED11 and a current-limiting resistor R1-2 are arranged on the branch 11, and the output of the branch 11 is connected with an incoming branch 11 in the A-type switch module;
an indicator light LED12 and a current-limiting resistor R2-2 are arranged on the branch 12, and the output of the branch 12 is connected with the incoming line branch 12 in the A-type switch module;
an indicator light LED13 and a current-limiting resistor R3-2 are arranged on the branch 13, and the output of the branch 13 is connected with the incoming line branch 13 in the A-type switch module;
an indicator light LED14 and a current-limiting resistor R4-2 are arranged on the branch 14, and the output of the branch 14 is connected with an incoming line branch 14 in the A-type switch module;
an indicator light LED15 and a current-limiting resistor R5-2 are arranged on the branch circuit 15, and the output of the branch circuit 15 is connected with the incoming line branch circuit 15 in the A-type switch module;
an indicator light LED16 and a current-limiting resistor R6-2 are arranged on the branch circuit 16, and the output of the branch circuit 16 is connected with an incoming line branch circuit 16 in the A-type switch module;
the input ends of the branch circuits 9-16 are connected with a pin 4(12V + B) of the air switch KK2, a pin 3 of the air switch KK2 is connected with a 12V power supply, the output ends of the inlet wire branch circuits 9-16 are DC2+/DC 2-connected with a pin 1 of the air switch KK2, and a pin 2 of the air switch KK2 is grounded.
The test principle is as follows: when the air switch KK2 is closed, the pin 1 is communicated with the pin 2, the pin 3 is communicated with the pin 4, each test branch is electrified, when the switch control board receives an instruction of the upper computer to control the closing of any one of the contactors in the incoming line branches 9-16, the indicator light in the corresponding branch is on, and the control function of the contactor is normal.
The test process of the control function of the contactor in the A-type switch module is as follows:
1) and burning the test program into the switch control board of the A-type switch module, wherein the test interface can be displayed in the upper computer.
Because the positive contactor 1K1 arranged on the incoming line branch 1 and the negative contactor 1K2 arranged on the incoming line branch 2 are a pair of positive and negative contactors, the instruction sent by the upper computer is to control the positive and negative contactors of a certain direct current input and direct current output to be closed simultaneously.
2) The air switch KK1 and the air switch KK2 are opened, and the test interface shows that IN1 to IN16 (representing 16 contactors) are shown as OFF, indicating that the contactors are all opened.
3) Closed empty KK1 that opens, empty KK2 disconnection, host computer send control command, after the host computer sent positive contactor 1K1 and negative contactor 1K2 closed command, look over indicator LED1 and indicator LED2 on the lamp plate and whether light, if light, indicate that the control function of these two contactors is normal, if not light, indicate that the control function of these two contactors is unusual. By analogy, the control function detection of the positive contactor 2K1, the negative contactor 2K2, the positive contactor 3K1, the negative contactor 3K2, the positive contactor 4K1 and the negative contactor 4K2 is completed.
4) Closing the air switch KK2, disconnecting the air switch KK1, sending a control command by the upper computer, and similarly, in the step 3), finishing the detection of the control functions of the positive contactor 1K3, the negative contactor 1K4, the positive contactor 2K3, the negative contactor 2K4, the positive contactor 3K3, the negative contactor 3K4, the positive contactor 4K3 and the negative contactor 4K 4.
5) The display interface CAN also show when the pilot lamp lights, show for the contactor is [ ON ] state, show that A type switch module's CAN communication function is normal.
6) And after the test is finished, storing the test result.
In the above-mentioned embodiment, adopt two air switches to control the test process of the corresponding inlet wire branch road of two way outputs respectively, as other implementation modes, also can adopt a total accuse switch to carry out general control, the utility model discloses do not restrict to this.
In the above embodiment, each test branch is provided with a current-limiting resistor, and as another embodiment, the current-limiting resistor may not be provided when the power supply is small and the indicator lamp is not burned out.
In the above embodiments, the input connector and the output connector are used for connection for the convenience of wiring, and as another embodiment, the lines may be directly soldered without using a connector.
The utility model discloses a testing arrangement easy operation can reduce artifical test step, is showing and promotes efficiency of software testing to solve the problem that artifical test is makeed mistakes easily, improved the reliability of test.
Claims (5)
1. A testing device for A-type switch modules is characterized by comprising:
the upper computer is used for being in communication connection with the switch control panel of the A-type switch module;
the power supply is used for supplying power to the testing device;
a master control switch and a test circuit; the test circuit comprises a plurality of test branches, and each test branch is connected with the inlet wire branch of the A-type switch module in a one-to-one correspondence manner; the test branch is provided with an indicator light for displaying the connection/disconnection of the line;
the power supply, the master control switch and the test circuit are connected in series with the wire inlet end and the wire outlet end of the A-type switch module to complete the test of the A-type switch module.
2. The device for testing the A-type switch module according to claim 1, wherein a current limiting resistor for limiting current is further disposed on the test branch.
3. The testing device of the A-type switch module as claimed in claim 1, wherein the main control switch comprises a first switch and a second switch, the outlet terminals comprise a first outlet terminal and a second outlet terminal, the power supply, the first switch, the first outlet terminal, the inlet branch correspondingly connected with the first outlet terminal, and the corresponding testing branch are connected in series; the power supply, the second switch, the second wire outlet end, the wire inlet branch correspondingly connected with the second wire outlet end and the corresponding test branch are connected in series.
4. The apparatus of claim 3, wherein the first switch is connected to the first outlet via a first output connector, and the second switch is connected to the second outlet via a second output connector.
5. The apparatus of claim 1, wherein the plurality of test branches are integrated on a lamp panel, and the plurality of test branches are connected to the corresponding incoming line branches through an input connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022128274.2U CN213875935U (en) | 2020-09-24 | 2020-09-24 | Testing device for A-type switch module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022128274.2U CN213875935U (en) | 2020-09-24 | 2020-09-24 | Testing device for A-type switch module |
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| Publication Number | Publication Date |
|---|---|
| CN213875935U true CN213875935U (en) | 2021-08-03 |
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| CN202022128274.2U Active CN213875935U (en) | 2020-09-24 | 2020-09-24 | Testing device for A-type switch module |
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| CN (1) | CN213875935U (en) |
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Effective date of registration: 20231023 Address after: 300304 Floor 5, R&D Building, No. 12, Hongtai Road, Huaming Street, Dongli District, Tianjin Patentee after: Tianjin Pinggao Yidian Technology Co.,Ltd. Patentee after: PINGGAO GROUP Co.,Ltd. Patentee after: STATE GRID CORPORATION OF CHINA Address before: No.12, Hongtai Road, Huaming street, Dongli District, Tianjin 300304 Patentee before: TIANJIN PINGGAO INTELLIGENT ELECTRIC Co.,Ltd. Patentee before: PINGGAO GROUP Co.,Ltd. Patentee before: STATE GRID CORPORATION OF CHINA |