CN111505456A - Electric component testing and monitoring device - Google Patents
Electric component testing and monitoring device Download PDFInfo
- Publication number
- CN111505456A CN111505456A CN202010360420.6A CN202010360420A CN111505456A CN 111505456 A CN111505456 A CN 111505456A CN 202010360420 A CN202010360420 A CN 202010360420A CN 111505456 A CN111505456 A CN 111505456A
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- 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
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
- G01R27/025—Measuring very high resistances, e.g. isolation resistances, i.e. megohm-meters
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
- G01R29/16—Measuring asymmetry of polyphase networks
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Abstract
The invention belongs to the technical field of electrical product testing, and discloses an electrical component testing and monitoring device which comprises an electrical control cabinet, an upper computer, an insulation withstand voltage instrument, an insulation pad and a test board, wherein the electrical control cabinet is positioned on the left side of the whole device, the test board is positioned on the right side of the whole device, the control cabinet is divided into an upper layer, a middle layer and a lower layer, and the electrical control panel comprises a circuit breaker, a contactor, a relay, a P L C, a sensor, a switching power supply and a wiring terminal strip.
Description
Technical Field
The invention belongs to the technical field of electrical product testing, and particularly relates to an electrical component testing and monitoring device.
Background
The electric part product all need test multiple relevant technical parameter and function after production is accomplished, satisfy the demand and just can put on the market, and multiple test content all uses test equipment to test alone or several kinds of test function integration together separately, can not all cover including the conventional test content of electric part, causes the efficiency of software testing low, and the check out test set is with high costs, and moreover each function tests alone, and artifical record test data, and some data record are inaccurate.
Disclosure of Invention
In order to solve the technical problems in the prior art, the invention provides an electrical component testing and monitoring device which comprises an electrical control cabinet, an upper computer, a voltage withstand instrument, an insulating pad and a test board, wherein the electrical control cabinet is positioned on the left side of the whole device, and the test board is positioned on the right side of the whole device and is used for testing the placement of products and conveniently connecting a test circuit.
The control cabinet is divided into an upper layer, a middle layer and a lower layer, an upper computer and an insulation pressure-resistant instrument are integrated in the upper layer of the control cabinet and used for completing all test control and data recording, the insulation pressure-resistant instrument is used for insulation test and pressure-resistant test of a test piece, insulation pads of corresponding grades are arranged below the insulation pressure-resistant instrument and in front of the electrical control cabinet and provided with insulation gloves of corresponding insulation grades, the upper computer is connected to a P L C of a lower layer electrical control panel through an RJ45 interface and used for completing starting of the test, sending of a power failure command, displaying of a test state and parameters and recording of test data, a button and an indicator lamp for controlling and indicating incoming line incoming power supply are embedded on the door surface of the upper layer cabinet, the button comprises a starting indicator lamp button, a power failure indicator lamp button and an emergency stop button, the indicator lamp comprises a power indicator lamp, a power failure indicator lamp and an emergency stop indicator lamp, the power indicator lamp is used for indicating whether a power supply is connected to an indicator device, the starting indicator lamp is used for connecting an external power supply to the system, the starting indicator lamp is used for connecting the external power supply to the system after the system is powered on, the power failure indicator lamp is used for turning off when the system is powered, the emergency stop indicator lamp is powered, the emergency indicator lamp is used for turning off, and the emergency alarm lamp is used for turning off when the emergency alarm system is started, the emergency alarm lamp is started, and the emergency stop lamp is used for.
The electric control panel comprises a circuit breaker, a contactor, a relay, a P L C, sensors, a switch power supply and a wiring terminal row, the electric control panel is divided into five layers from top to bottom, wire grooves are arranged between every two layers, the first layer is provided with a main switch of a circuit, switches of all test circuits, a P L C switch and a switch power supply, the switches are used for outage control, overload and short-circuit protection of all circuits, the second layer is provided with a P L C module and the switch power supply, the P L C module is used for logic control and operation of the whole circuit, acquisition of test data and communication with an upper computer are achieved, the control and operation center of the whole system is achieved, the switch power supply is used for providing required DC24V power for the P L C and the sensors on the lower layer, the third layer is provided with the contactor and the relay and is used for connection and disconnection control of the circuit, the fourth layer is provided with the sensor module and is used for completing voltage, current and power test and transmitting to the P L C module, and the wiring terminal.
The operation process of the invention is as follows:
1) after the power supply is switched on, the power supply indicator lamp is on, and if the power supply indicator lamp is not on, the input power supply is checked;
2) after the power supply indicator lamp is turned on, if the power transmission indicator lamp is turned on, processing a line fault to enable the power transmission indicator lamp not to be turned on;
3) if the power failure indicator light is not on, processing the line fault to enable the power failure indicator light to be on;
4) after the power failure indicator light is on, if the emergency stop indicator light is on, the emergency stop button is pressed, and if the emergency stop button is not pressed, a line fault is processed, so that the emergency stop indicator light is not on;
5) if the emergency stop indicator light is on and the emergency stop button is pressed, releasing the emergency stop button and turning off the emergency stop indicator light;
6) after the power transmission button is pressed, if the power transmission indicator lamp is not on, processing a line fault to enable the power transmission indicator lamp to be on;
7) after the power transmission indicator light is on, if the power failure indicator light is on, the line fault is processed, so that the power failure indicator light is not on;
8) and the power failure indicator lamp is not on, and the measuring piece is measured after the upper computer is started.
The monitoring process of the invention is as follows:
1) placing a to-be-detected piece on a detection table, and checking an operation interface;
2) the detection platform is powered on, and the detection platform is powered off;
3) if the detection table is not powered on, connecting a measuring cable, connecting a grounding wire, starting measurement, and measuring insulation;
4) if the insulation resistance is less than or equal to 20 MOmega, the insulation is unqualified; if the insulation resistance is larger than 20 MOmega, testing the voltage resistance;
5) if the pressure resistance is unqualified in the test, the pressure resistance is unqualified; if the withstand voltage is qualified, measuring insulation again;
6) if the insulation resistance is less than or equal to 20 MOmega, the insulation is unqualified; if the insulation resistance is larger than 20 MOmega, transmitting power to the detection table;
7) if the voltage is abnormal, the power supply is cut off, and a fault alarm is given;
8) processing fault and resetting fault;
9) if the fault is not removed, performing step 8); until the fault is removed, carrying out a phase failure test;
10) if the phase is lost, the power supply is cut off, and a fault alarm is given;
11) processing fault and resetting fault;
12) if the fault is not resolved, go to step 11); performing overcurrent test until the fault is removed;
13) if the current exceeds a set value, the power supply is disconnected, and a fault alarm is given;
14) processing fault and resetting fault;
15) if the fault is not resolved, go to step 14); until the fault is removed, performing interphase balance test;
16) if the phases are unbalanced, the power supply is cut off, and a fault alarm is given;
17) processing fault and resetting fault;
18) if the fault is not resolved, go to step 17); if the fault is removed, recording each phase voltage, each phase current, equipment power and equipment temperature, and displaying each phase voltage, each phase current, equipment power and equipment temperature;
19) and when the test time is up, the power supply is cut off, and the test is finished.
Has the advantages that:
1. the invention automatically completes the testing process of the product by the device, monitors and records in real time, generates a monitoring data curve, and can carry out fault protection, fault alarm and fault recording when the product has faults so as to search and solve the product problems, and the testing data is stored on the computer to realize the quality tracing of the product.
2. The invention controls a plurality of test requirements of the test electrical part through the computer program, and the operation is convenient and fast; frequent replacement of test equipment and connection time are saved, the device has visual test process data, and meanwhile, the data is permanently recorded to realize product traceability, so that the device is convenient to popularize and use; the test device integrates various test functions, controls and records test data through computer operation, reduces frequent disassembly and assembly of test pieces in the existing test method, and improves test efficiency.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a front view of the electrical control panel of the present invention;
FIG. 3 is a schematic view of a testing table according to the present invention;
FIG. 4 is a flow chart of the operation of the present invention;
FIG. 5 is a diagram of a monitoring process of the present invention;
FIG. 6 is an electrical schematic diagram of the scram indicator light of the present invention;
FIG. 7 is an electrical schematic of the contactor of the present invention;
FIG. 8 is an electrical schematic diagram of the withstand voltage tester of the present invention;
FIG. 9 is an electrical schematic of the sensor module of the present invention;
FIG. 10 is an electrical schematic of the relay of the present invention;
as shown in the figure, the device comprises an insulation withstand voltage instrument 1, an upper computer 2, an emergency stop button 3, an emergency stop indicator lamp 4, a power failure indicator lamp 5, a power transmission indicator lamp 6, a power indicator lamp 7, a P L C8, a sensor 9, a wiring terminal row 10, a switching power supply 11, a contactor 12 and a relay 13.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The utility model provides an electric component test and monitoring device, includes electrical control cabinet, host computer 2, withstand voltage appearance 1, insulating pad and testboard, and electrical control cabinet is located the left side of whole set of device, and the testboard is located the right side of whole set of device for the test product place and conveniently connect test circuit.
The control cabinet is divided into an upper layer, a middle layer and a lower layer, an upper computer 2 and an insulation and voltage resistance instrument 1 are integrated in the upper layer of the control cabinet and used for completing all test control and data recording, the insulation and voltage resistance instrument 1 is used for insulation test and voltage resistance test of a test piece, insulation pads of corresponding grades are arranged below the insulation and voltage resistance instrument 1 and in front of an electrical control cabinet and provided with insulation gloves of corresponding insulation grades, the upper computer 2 is connected to a P L C8 of a lower electrical control panel through an RJ45 interface and used for completing starting of the test, sending of a power failure command, displaying of a test state and parameters and recording of test data, a button and an indicator lamp for controlling and indicating incoming line of an incoming line power supply are embedded on the door surface of the upper layer cabinet, the button comprises a starting indicator lamp button, a power failure indicator lamp button and an emergency stop button 3, the indicator lamp comprises a power indicator lamp 7, a power failure indicator lamp and an emergency stop indicator lamp 4, the power indicator lamp 7 is used for indicating whether the power supply is connected to an external power supply, the starting indicator lamp is connected to an external power supply, the emergency stop indicator lamp is used for turning on and turning off when the emergency alarm system is started, the emergency stop lamp is started, the emergency indicator lamp is used for turning off, the emergency alarm lamp 4, the emergency alarm lamp is used for turning off when the emergency alarm system when the emergency stop lamp 3, the emergency alarm system is started, the emergency alarm lamp is started, the emergency stop lamp is used for turning on the emergency.
The electric control panel comprises a circuit breaker, a contactor 12, a relay 13, a P L C8, a sensor 9, a switch power supply 11 and a connecting terminal row 10, the control panel is divided into five layers from top to bottom, wire grooves are formed between every two layers, the first layer is provided with switches according to a circuit main switch and each test circuit, the switches are P L C8 and the switches of the switch power supply 11 and are used for shutdown control, overload and short-circuit protection of each circuit, the second layer is provided with a P L C8 module and the switch power supply 11, the P L C8 is used for logic control and operation of the whole circuit and completing collection of test data, the communication with the upper computer 2 is a control and operation center of the whole system, the switch power supply 11 is used for providing required DC24 power supply for the P L C8 and the sensor 9 on the lower layer, the third layer is provided with the contactor 12 and the relay 13 and is used for connection and disconnection control of the circuit, the fourth layer is provided with the sensor 9 module which is used for completing voltage, current and power test and transmission to the P L C8 module, and the third layer is used for connecting.
The operation process of the invention is as follows:
1) after the power supply is switched on, the power supply indicator lamp 7 is on, and if the power supply indicator lamp 7 is not on, the input power supply is checked;
2) after the power supply indicator lamp 7 is turned on, if the power transmission indicator lamp 6 is turned on, a line fault is processed, so that the power transmission indicator lamp 6 is turned off;
3) if the power failure indicator lamp 5 is not on, processing the line fault to enable the power failure indicator lamp 5 to be on;
4) after the power failure indicator lamp 5 is turned on, if the emergency stop indicator lamp 4 is turned on, the emergency stop button 3 is pressed, and if the emergency stop button 3 is not pressed, a line fault is processed, so that the emergency stop indicator lamp 4 is not turned on;
5) if the emergency stop indicator lamp 4 is on and the emergency stop button 3 is pressed down, the emergency stop button 3 is released, and the emergency stop indicator lamp 4 is turned off;
6) when the power transmission button is pressed and the power transmission indicator lamp 6 is not on, the line fault is processed, and the power transmission indicator lamp 6 is on;
7) after the power transmission indicator lamp 6 is turned on, if the power failure indicator lamp 5 is turned on, the line fault is processed, so that the power failure indicator lamp 5 is not turned on;
8) the power failure indicator lamp 5 is not on, and after the upper computer 2 is started, the measuring piece is measured.
The monitoring process of the invention is as follows;
1) placing a to-be-detected piece on a detection table, and checking an operation interface;
2) the detection platform is powered on, and the detection platform is powered off;
3) if the detection table is not powered on, connecting a measuring cable, connecting a grounding wire, starting measurement, and measuring insulation;
4) if the insulation resistance is less than or equal to 20 MOmega, the insulation is unqualified; if the insulation resistance is larger than 20 MOmega, testing the voltage resistance;
5) if the pressure resistance is unqualified in the test, the pressure resistance is unqualified; if the withstand voltage is qualified, measuring insulation again;
6) if the insulation resistance is less than or equal to 20 MOmega, the insulation is unqualified; if the insulation resistance is larger than 20 MOmega, transmitting power to the detection table;
7) if the voltage is abnormal, the power supply is cut off, and a fault alarm is given;
8) processing fault and resetting fault;
9) if the fault is not removed, performing step 8); until the fault is removed, carrying out a phase failure test;
10) if the phase is not lost, the power supply is cut off, and a fault alarm is given;
11) processing fault and resetting fault;
12) if the fault is not resolved, go to step 11); performing overcurrent test until the fault is removed;
13) if the current exceeds a set value, the power supply is disconnected, and a fault alarm is given;
14) processing fault and resetting fault;
15) if the fault is not resolved, go to step 14); until the fault is removed, performing interphase balance test;
16) if the phases are unbalanced, the power supply is cut off, and a fault alarm is given;
17) processing fault and resetting fault;
18) if the fault is not resolved, go to step 17); if the fault is removed, recording each phase voltage, each phase current, equipment power and equipment temperature, and displaying each phase voltage, each phase current, equipment power and equipment temperature;
19) and when the test time is up, the power supply is cut off, and the test is finished.
When an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on or indirectly connected to the other element, or when an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.
The terms of orientation such as left, right, up, down, etc. in the present embodiment are only relative concepts or reference to the normal use state of the product, and should not be considered as limiting.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (8)
1. The utility model provides an electric component test and monitoring device which characterized in that: the test device comprises an electrical control cabinet, an upper computer, an insulation withstand voltage instrument, an insulation pad and a test bench, wherein the electrical control cabinet is positioned on the left side of the whole device, and the test bench is positioned on the right side of the whole device and is used for placing a test product and conveniently connecting a test circuit;
the electric control cabinet is divided into an upper layer, a middle layer and a lower layer, an upper computer and an insulation and voltage resistance instrument are integrated in the upper layer of the electric control cabinet and used for completing all test control and data recording, the insulation and voltage resistance instrument is used for insulation test and voltage resistance test of a test piece, the upper computer is connected to a P L C of the lower layer of electric control panel through an RJ45 interface and used for completing starting of the test, sending of power failure commands, displaying of test states and parameters and recording of test data, and a button and an indicator lamp for controlling and indicating incoming lines of incoming line power supplies are inlaid on the door surface of the upper layer of cabinet.
2. An electrical component testing and monitoring device according to claim 1, wherein: insulating pads with corresponding grades are arranged below the insulating and voltage-resisting instrument and in front of the electric control cabinet, and insulating gloves with corresponding insulating grades are arranged.
3. An electrical component testing and monitoring device according to claim 1, wherein: the button comprises a start indicator light button, a power failure indicator light button and an emergency stop button, the indicator light comprises a power indicator light, a power failure indicator light and an emergency stop indicator light, the power indicator light is used for indicating whether equipment is connected with a power supply, the start indicator light button is used for connecting an external power supply into a system, the button indicator light is turned on after the system is powered on, and the indicator light is turned off after the system is powered off; the power failure indicator lamp button is used for cutting off the system, when the system is just connected with an external power supply and the system is not electrified, the power failure indicator lamp is on, and once the system is electrified, the power failure indicator lamp is turned off; the emergency stop button is used for power failure operation under emergency conditions, the emergency stop button is pressed, the system is powered off, the emergency stop indicator lamp is turned on, the emergency stop button is released, and the emergency stop indicator lamp is turned off.
4. An electrical component testing and monitoring device according to claim 1, wherein: and an acousto-optic alarm indicator lamp is arranged above the control cabinet and used for giving an acousto-optic alarm when the system fails.
5. The electrical component testing and monitoring device of claim 1, wherein the electrical control panel comprises a circuit breaker, a contactor, a relay, P L C, sensors, a switching power supply and a wiring terminal row, the electrical control panel is divided into five layers from top to bottom, the first layer is divided into five layers according to a circuit main switch, switches of each testing circuit and switches of P L C and the switching power supply, the second layer is provided with a P L C module and a switching power supply, the P L C is used for logic control and operation of the whole circuit and collection of testing data, and communication with an upper computer is a control and operation center of the whole system, the switching power supply is used for providing required DC24V power supply for the P L C and the lower sensor, the third layer is a contactor and a relay and used for connection and disconnection control of the circuit, the fourth layer is a sensor module and used for completing voltage, current and power test and transmitting the testing data to the P L C module, and the fifth layer is used for connecting the electrical control panel with external cable wiring terminals.
6. An electrical component testing and monitoring device according to claim 5, wherein: wire grooves are formed in the left layer, the right layer, the upper layer, the lower layer and each layer of the electrical control panel.
7. An electrical component testing and monitoring device according to claim 1, wherein: the operation flow is as follows:
1) after the power supply is switched on, the power supply indicator lamp is on, and if the power supply indicator lamp is not on, the input power supply is checked;
2) after the power supply indicator lamp is turned on, if the power transmission indicator lamp is turned on, processing a line fault to enable the power transmission indicator lamp not to be turned on;
3) if the power failure indicator light is not on, processing the line fault to enable the power failure indicator light to be on;
4) after the power failure indicator light is on, if the emergency stop indicator light is on, the emergency stop button is pressed, and if the emergency stop button is not pressed, a line fault is processed, so that the emergency stop indicator light is not on;
5) if the emergency stop indicator light is on and the emergency stop button is pressed, releasing the emergency stop button and turning off the emergency stop indicator light;
6) after the power transmission button is pressed, if the power transmission indicator lamp is not on, processing a line fault to enable the power transmission indicator lamp to be on;
7) after the power transmission indicator light is on, if the power failure indicator light is on, the line fault is processed, so that the power failure indicator light is not on;
8) and the power failure indicator lamp is not on, and the measuring piece is measured after the upper computer is started.
8. An electrical component testing and monitoring device according to claim 1, wherein: the monitoring process of the electric component testing and monitoring device is as follows:
1) placing a to-be-detected piece on a detection table, and checking an operation interface;
2) the detection platform is powered on, and the detection platform is powered off;
3) if the detection table is not powered on, connecting a measuring cable, connecting a grounding wire, starting measurement, and measuring insulation;
4) if the insulation resistance is less than or equal to 20 MOmega, the insulation is unqualified; if the insulation resistance is larger than 20 MOmega, testing the voltage resistance;
5) if the pressure resistance is unqualified in the test, the pressure resistance is unqualified; if the withstand voltage is qualified, measuring insulation again;
6) if the insulation resistance is less than or equal to 20 MOmega, the insulation is unqualified; if the insulation resistance is larger than 20 MOmega, transmitting power to the detection table;
7) if the voltage is abnormal, the power supply is cut off, and a fault alarm is given;
8) processing fault and resetting fault;
9) if the fault is not removed, performing step 8); until the fault is removed, carrying out a phase failure test;
10) if the phase is lost, the power supply is cut off, and a fault alarm is given;
11) processing fault and resetting fault;
12) if the fault is not resolved, go to step 11); performing overcurrent test until the fault is removed;
13) if the current exceeds a set value, the power supply is disconnected, and a fault alarm is given;
14) processing fault and resetting fault;
15) if the fault is not resolved, go to step 14); until the fault is removed, performing interphase balance test;
16) if the phases are unbalanced, the power supply is cut off, and a fault alarm is given;
17) processing fault and resetting fault;
18) if the fault is not resolved, go to step 17); if the fault is removed, recording each phase voltage, each phase current, equipment power and equipment temperature, and displaying each phase voltage, each phase current, equipment power and equipment temperature;
19) and when the test time is up, the power supply is cut off, and the test is finished.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010360420.6A CN111505456A (en) | 2020-04-30 | 2020-04-30 | Electric component testing and monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010360420.6A CN111505456A (en) | 2020-04-30 | 2020-04-30 | Electric component testing and monitoring device |
Publications (1)
| Publication Number | Publication Date |
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| CN111505456A true CN111505456A (en) | 2020-08-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010360420.6A Pending CN111505456A (en) | 2020-04-30 | 2020-04-30 | Electric component testing and monitoring device |
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| CN (1) | CN111505456A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112631247A (en) * | 2020-12-08 | 2021-04-09 | 南京志卓电子科技有限公司 | Automatic test device of train air conditioner control panel based on PLC |
| CN113885470A (en) * | 2021-09-18 | 2022-01-04 | 上海卡邦电气东台有限公司 | DCS control cabinet and positioning method for flash alarm thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201138450Y (en) * | 2007-12-25 | 2008-10-22 | 青岛四方车辆研究所有限公司 | Passenger car electricity integrated control cabinet |
| CN101852837A (en) * | 2010-05-28 | 2010-10-06 | 中国北车集团大连机车研究所有限公司 | Dielectric voltage-withstand test bench of engine electronic control unit |
| CN202093721U (en) * | 2011-06-27 | 2011-12-28 | 黄仁胜 | Electric traction practical training wiring board |
| CN204086513U (en) * | 2014-10-10 | 2015-01-07 | 威胜电气有限公司 | Fault detector multifunctional examining measurement equipment |
-
2020
- 2020-04-30 CN CN202010360420.6A patent/CN111505456A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201138450Y (en) * | 2007-12-25 | 2008-10-22 | 青岛四方车辆研究所有限公司 | Passenger car electricity integrated control cabinet |
| CN101852837A (en) * | 2010-05-28 | 2010-10-06 | 中国北车集团大连机车研究所有限公司 | Dielectric voltage-withstand test bench of engine electronic control unit |
| CN202093721U (en) * | 2011-06-27 | 2011-12-28 | 黄仁胜 | Electric traction practical training wiring board |
| CN204086513U (en) * | 2014-10-10 | 2015-01-07 | 威胜电气有限公司 | Fault detector multifunctional examining measurement equipment |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112631247A (en) * | 2020-12-08 | 2021-04-09 | 南京志卓电子科技有限公司 | Automatic test device of train air conditioner control panel based on PLC |
| CN112631247B (en) * | 2020-12-08 | 2021-11-05 | 南京志卓电子科技有限公司 | Automatic test device of train air conditioner control panel based on PLC |
| CN113885470A (en) * | 2021-09-18 | 2022-01-04 | 上海卡邦电气东台有限公司 | DCS control cabinet and positioning method for flash alarm thereof |
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Application publication date: 20200807 |
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