CN114035453A - One-key sequence control system and method for short circuit test of power equipment - Google Patents
One-key sequence control system and method for short circuit test of power equipment Download PDFInfo
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- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
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Abstract
The application discloses a key is in control of sequence system and method for power equipment short circuit test, the system includes: the device comprises a generator control module, a switch state visual identification module, a short circuit test loop, a test loop control module, a time sequence control module and an air pressure detector; the switch state visual identification module is used for acquiring the current opening and closing states of all switches in the short-circuit test loop; the air pressure detector is used for detecting air pressure near each switch in the short-circuit test loop; the time sequence control module is used for setting a control object of the test loop control module and the opening and closing sequence of the control object; the test circuit control module is used for sending a switching-on/off command to the test circuit control module according to air pressure; the test loop control module is used for controlling the opening and closing states of all switches in the short-circuit test loop. The method and the device perform secondary confirmation on the current switch state without manual rechecking, and ensure the safety and high efficiency of the test process; the test bench is simple in structure and low in test cost.
Description
Technical Field
The application relates to the technical field of short-circuit tests of power equipment, in particular to a one-key sequence control system and method for the short-circuit test of the power equipment.
Background
The quality detection of the power grid materials is used as a control means for monitoring the quality of the power materials, is connected with material production and engineering project implementation, is a key defense line for ensuring the safety and stable operation of the power grid, and in recent years, the quality detection problem of the power grid materials is more and more emphasized by the nation. Among all detection items, the short-circuit test is the test item with the most strict performance assessment of the equipment, and has important significance for verifying the reasonability of the equipment structure and the reliability of operation. Meanwhile, the short circuit test is also a test project with the highest test parameter, the largest required capacitance and the most complicated operation.
As the short-circuit test of the electric power materials needs to be carried out, the test quality and the working efficiency need to be ensured simultaneously, along with the application of modern advanced technologies such as informatization, intellectualization and automation, a sequential control system is generally adopted to carry out the short-circuit test in the prior art, the key point in the short-circuit test is to control the opening and closing of a switch at a proper time, a field picture is generally transmitted by a camera in real time, and an operator operates the sequential control system according to the field operation picture so as to complete the short-circuit test of the electric power equipment.
However, many links of the test method still need manual debugging, operation and confirmation, and the test quality and the work efficiency are difficult to ensure. Therefore, in the face of increasing material detection requirements and increasingly stringent quality detection requirements, exploring a short-circuit test one-key sequence control method is the key to realizing efficient development of complex test projects.
Disclosure of Invention
In order to solve the problems that manual monitoring is needed and the working efficiency is low in a sequential control system for a short-circuit test of power equipment in the prior art, the application discloses a one-key sequential control system and a one-key sequential control method for the short-circuit test of the power equipment.
The application discloses a first aspect discloses a key in proper order accuse system for power equipment short circuit test, includes: the device comprises a generator control module, a switch state visual identification module, a short circuit test loop, a test loop control module, a time sequence control module and an air pressure detector; the short circuit test loop comprises a protection switch, a phase selection switch, an operation switch and a test equipment switch;
the generator control module is used for providing power for the system;
the switch state visual identification module is used for acquiring the current opening and closing states of all switches in the short circuit test loop; the time sequence control module is used for transmitting the current opening and closing states of all switches in the short circuit test loop to the time sequence control module;
the air pressure detector is used for detecting air pressure near each switch in the short circuit test loop; the air pressure near each switch in the short circuit test loop is transmitted to the time sequence control module;
the time sequence control module is used for setting a control object of the test loop control module and setting the opening and closing sequence of the control object of the test loop control module; the short circuit test circuit is used for testing the short circuit of the power supply and sending a switching-on/off command to the test circuit control module according to the air pressure near each switch in the short circuit test circuit;
and the test loop control module is used for controlling the opening and closing states of all switches in the short-circuit test loop.
Optionally, the timing control module is further configured to send a switching-on/off instruction to the test loop control module according to the current switching-on/off state of each switch in the short circuit test loop.
Optionally, the test loop control module is further configured to control the switching-on/off state of each switch in the short circuit test loop according to the switching-on/off instruction.
Optionally, the switch state visual identification module is further configured to compare whether the current switching-on/off state of each switch in the short circuit test loop is consistent with the switching-on/off instruction, if so, feed back a confirmation signal to the timing control module, and if not, feed back an undetermined signal to the timing control module.
Optionally, the timing control module is further configured to send an opening/closing instruction to the test loop control module again according to the to-be-determined signal.
The second aspect of the application discloses a one-key sequence control method for a power equipment short-circuit test, which is applied to the one-key sequence control system for the power equipment short-circuit test, and the method comprises the following steps:
acquiring the current opening and closing states of all switches in the short circuit test loop;
detecting whether the current opening and closing states of all switches in the short-circuit test loop meet a first preset condition or not; the first preset condition is that a protection switch is switched on, a phase selection switch is switched off, an operation switch is switched on and a test equipment switch is switched on;
if the current on-off state of each switch in the short-circuit test loop is not met, changing the current on-off state of each switch in the short-circuit test loop until the current on-off state of each switch in the short-circuit test loop meets the first preset condition;
if the test loop control module meets the requirement, setting control objects of the test loop control module as a phase selection switch, a test equipment switch and an operation switch;
controlling the phase selection switch to be switched on;
confirming that the phase selection switch is in a closing state;
detecting the air pressure near the phase selection switch, and controlling the switch of the test equipment to be switched off when the air pressure near the phase selection switch reaches a first preset value;
confirming that the test equipment switch is in an opening state;
detecting the air pressure near the test equipment switch, and controlling the operation switch to open when the air pressure near the test equipment switch reaches a second preset value;
confirming that the operating switch is in a switching-off state;
recording short circuit data of the test equipment; the short circuit data of the test device includes the power and voltage of the test device.
Optionally, the determining that the phase selection switch is in a closing state includes:
acquiring the current opening and closing state of the phase selection switch;
checking whether the phase selection switch is in a closing state;
if the phase selection switch is not in a closing state, re-sending a closing and opening instruction;
controlling the switching-on and switching-off state of the phase selection switch until the phase selection switch is in a switching-on state;
and if the phase selection switch is in a closing state, sending a confirmation signal to the time sequence control module.
The third aspect of the application discloses a one-key sequence control method for a power equipment short-circuit test, which is applied to the one-key sequence control system for the power equipment short-circuit test, and the method comprises the following steps:
acquiring the current opening and closing states of all switches in the short circuit test loop;
detecting whether the current opening and closing states of all switches in the short-circuit test loop meet a second preset condition or not; the second preset condition is switching on of a protection switch, switching on of a phase selection switch, switching off of an operation switch and switching off of a test equipment switch;
if the current on-off state of each switch in the short-circuit test loop is not met, changing the current on-off state of each switch in the short-circuit test loop until the current on-off state of each switch in the short-circuit test loop meets the second preset condition;
if the test loop control module meets the requirement, setting the control objects of the test loop control module as an operation switch and a test equipment switch;
controlling the operating switch to be switched on;
confirming that the operating switch is in a closing state;
detecting air pressure near the operating switch, and controlling the switch of the test equipment to be switched on when the air pressure near the operating switch reaches a third preset value;
confirming that the test equipment switch is in a closing state;
detecting the air pressure near the test equipment switch, and controlling the test equipment switch to be switched off when the air pressure near the test equipment switch reaches a fourth preset value;
confirming that the test equipment switch is in an opening state;
detecting air pressure proximate to the test device switch; when the air pressure near the test equipment switch reaches a fifth preset value, controlling the operating switch to open;
confirming that the operating switch is in a switching-off state;
recording short circuit data of the test equipment; the short circuit data of the test device includes the power and voltage of the test device.
The application discloses a key is in control of sequence system and method for power equipment short circuit test, the system includes: the device comprises a generator control module, a switch state visual identification module, a short circuit test loop, a test loop control module, a time sequence control module and an air pressure detector; the short circuit test loop comprises a protection switch, a phase selection switch, an operation switch and a test equipment switch; the generator control module is used for providing power for the system; the switch state visual identification module is used for acquiring the current opening and closing states of all switches in the short circuit test loop; the time sequence control module is used for transmitting the current opening and closing states of all switches in the short circuit test loop to the time sequence control module; the air pressure detector is used for detecting air pressure near each switch in the short circuit test loop; the time sequence control module is used for setting a control object of the test loop control module and setting the opening and closing sequence of the control object of the test loop control module; the short circuit test circuit is used for testing the short circuit of the power supply and sending a switching-on/off command to the test circuit control module according to the air pressure near each switch in the short circuit test circuit; and the test loop control module is used for controlling the opening and closing states of all switches in the short-circuit test loop.
According to the method, the switch visual identification module is used for carrying out secondary confirmation on the current switch state, manual recheck is not needed, and the safety and the high efficiency of the test process are ensured; the time delay duration is set by detecting the air pressure near each switch, and the safety of the test process is fully considered; the device has the advantages of simple structure, easiness in operation and arrangement and low test cost; the application discloses two methods for performing a short-circuit test on electrical equipment by using a one-key sequential control system, and the efficiency of the short-circuit test is improved.
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In order to more clearly explain the technical solution of the present application, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious to those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a one-touch sequential control system for a short-circuit test of electrical equipment according to an embodiment of the present disclosure;
fig. 2 is a schematic structural diagram of a short circuit test loop disclosed in an embodiment of the present application.
Detailed Description
In order to solve the problems that manual monitoring is needed and the working efficiency is low in a sequential control system for a short-circuit test of power equipment in the prior art, the application discloses a one-key sequential control system and a one-key sequential control method for the short-circuit test of the power equipment.
The first embodiment of the present application discloses a one-key sequence control system for a short circuit test of electrical equipment, referring to a schematic structural diagram shown in fig. 1, including: the device comprises a generator control module, a switch state visual identification module, a short circuit test loop, a test loop control module, a time sequence control module and an air pressure detector. Referring to the schematic structural diagram shown in fig. 2, the short circuit test loop includes a protection switch, a phase selection switch, an operation switch and a test equipment switch.
The generator control module is used for providing power for the system.
And the switch state visual identification module is used for acquiring the current opening and closing states of all switches in the short circuit test loop. And the time sequence control module is used for transmitting the current opening and closing states of all the switches in the short circuit test loop to the time sequence control module.
The air pressure detector is used for detecting air pressure near each switch in the short-circuit test loop and transmitting the air pressure near each switch in the short-circuit test loop to the time sequence control module.
The time sequence control module is used for setting a control object of the test loop control module and setting the opening and closing sequence of the control object of the test loop control module. And the short circuit testing circuit is used for sending a switching-on/off command to the testing circuit control module according to the air pressure near each switch in the short circuit testing circuit.
And the time sequence control module is also used for sending a switching-on/off instruction to the test loop control module according to the current switching-on/off state of each switch in the short circuit test loop.
And the test loop control module is used for controlling the opening and closing states of all switches in the short-circuit test loop according to the opening and closing instructions.
The switch state visual identification module is also used for comparing whether the current opening and closing state of each switch in the short circuit test loop is consistent with the opening and closing instruction or not, if so, feeding back a confirmation signal to the time sequence control module, and if not, feeding back an undetermined signal to the time sequence control module.
The switch visual identification module carries out secondary identification and confirmation on the switch state to ensure that the actual state of the switch meets the requirements. When the testing device works specifically, the testing loop switch can be numbered and marked clearly, the camera image recognition technology is utilized to recognize the serial number and the opening and closing state of the isolating switch of the system, the serial number and the opening and closing state are compared with the opening and closing instructions, the short-circuit test is carried out after the correctness is confirmed, and the safety of the experimental process is ensured.
And the time sequence control module is also used for sending an opening and closing instruction to the test loop control module again according to the undetermined signal. This application basis switch visual identification module repeatedly confirms the current divide-shut brake state and the divide-shut brake instruction of each switch are unanimous in the experimental return circuit, need not artifical recheck, and this application is automatic to be compared and feedback signal to a key is in the same direction as the short circuit test of control system can safe, efficient completion to test equipment.
The system also comprises a computer terminal used for recording the short circuit test data.
The application discloses a key is in control of sequence system and method for power equipment short circuit test, the system includes: the device comprises a generator control module, a switch state visual identification module, a short circuit test loop, a test loop control module, a time sequence control module and an air pressure detector; the short circuit test loop comprises a protection switch, a phase selection switch, an operation switch and a test equipment switch; the generator control module is used for providing power for the system; the switch state visual identification module is used for acquiring the current opening and closing states of all switches in the short circuit test loop; the time sequence control module is used for transmitting the current opening and closing states of all switches in the short circuit test loop to the time sequence control module; the air pressure detector is used for detecting air pressure near each switch in the short circuit test loop; the time sequence control module is used for setting a control object of the test loop control module and setting the opening and closing sequence of the control object of the test loop control module; the short circuit test circuit is used for testing the short circuit of the power supply and sending a switching-on/off command to the test circuit control module according to the air pressure near each switch in the short circuit test circuit; and the test loop control module is used for controlling the opening and closing states of all switches in the short-circuit test loop.
According to the method, the switch visual identification module is used for carrying out secondary confirmation on the current switch state, manual recheck is not needed, and the safety and the high efficiency of the test process are ensured; the time delay duration is set by detecting the air pressure near each switch, and the safety of the test process is fully considered; the device has the advantages of simple structure, easiness in operation and arrangement and low test cost; the application discloses two methods for performing a short-circuit test on electrical equipment by using a one-key sequential control system, and the efficiency of the short-circuit test is improved.
The second embodiment of the application discloses a one-key sequence control method for a power equipment short-circuit test, which is applied to the one-key sequence control system for the power equipment short-circuit test, and the method comprises the following steps:
and acquiring the current opening and closing states of all switches in the short circuit test loop.
And detecting whether the current opening and closing states of all switches in the short-circuit test loop meet a first preset condition or not. The first preset condition is that a protection switch is switched on, a phase selection switch is switched off, an operation switch is switched on and a test equipment switch is switched on.
And if the current opening and closing states of the switches in the short-circuit test loop are not met, changing the current opening and closing states of the switches in the short-circuit test loop until the current opening and closing states of the switches in the short-circuit test loop meet the first preset condition.
And if so, setting the control objects of the test loop control module as a phase selection switch, a test equipment switch and an operation switch. The test loop is arranged before the test, so that the time sequence control module can control the test loop quickly and accurately, and the short circuit test efficiency is improved. The computer sends signals to the time sequence host machine through the network cable according to the test requirements, the time sequence host machine drives the power amplifier through the optical fiber signals, and the power amplifier outputs electric signals to operate a control object.
And controlling the phase selection switch to be switched on.
And confirming that the phase selection switch is in a closing state.
And detecting the air pressure near the phase selection switch, and controlling the switch of the test equipment to be switched off when the air pressure near the phase selection switch reaches a first preset value.
And confirming that the test equipment switch is in an opening state.
And detecting the air pressure near the test equipment switch, and controlling the operation switch to open when the air pressure near the test equipment switch reaches a second preset value.
And confirming that the operating switch is in an opening state.
Short circuit data of the test equipment was recorded. The short circuit data of the test device includes the power and voltage of the test device.
Further, the confirming that the phase selection switch is in a closing state includes:
and acquiring the current opening and closing state of the phase selection switch.
And checking whether the phase selection switch is in a closing state.
And if the phase selection switch is not in a closing state, re-sending a closing and opening instruction.
And controlling the switching-on and switching-off state of the phase selection switch until the phase selection switch is in the switching-on state.
And if the phase selection switch is in a closing state, sending a confirmation signal to the time sequence control module.
The third embodiment of the application discloses a one-key sequence control method for a power equipment short-circuit test, which is applied to the one-key sequence control system for the power equipment short-circuit test, and the method comprises the following steps:
and acquiring the current opening and closing states of all switches in the short circuit test loop.
And detecting whether the current opening and closing states of the switches in the short-circuit test loop meet a second preset condition. The second preset condition is that the protection switch is switched on, the phase selection switch is switched on, the operation switch is switched off and the test equipment switch is switched off.
And if the current opening and closing states of the switches in the short-circuit test loop are not met, changing the current opening and closing states of the switches in the short-circuit test loop until the current opening and closing states of the switches in the short-circuit test loop meet the second preset condition.
And if so, setting the control objects of the test loop control module as an operation switch and a test equipment switch.
And controlling the operating switch to be switched on. And confirming that the operating switch is in a closing state.
And detecting the air pressure near the operating switch, and controlling the switch of the test equipment to be switched on when the air pressure near the operating switch reaches a third preset value. And confirming that the test equipment switch is in a closing state.
And detecting the air pressure near the test equipment switch, and controlling the test equipment switch to be switched off when the air pressure near the test equipment switch reaches a fourth preset value.
And confirming that the test equipment switch is in an opening state.
The air pressure in the vicinity of the test device switch is detected. And when the air pressure near the test equipment switch reaches a fifth preset value, controlling the operating switch to open.
And confirming that the operating switch is in an opening state.
Short circuit data of the test equipment was recorded. The short circuit data of the test device includes the power and voltage of the test device.
The present application has been described in detail with reference to specific embodiments and illustrative examples, but the description is not intended to limit the application. Those skilled in the art will appreciate that various equivalent substitutions, modifications or improvements may be made to the presently disclosed embodiments and implementations thereof without departing from the spirit and scope of the present disclosure, and these fall within the scope of the present disclosure. The protection scope of this application is subject to the appended claims.
Claims (8)
1. A key sequence control system for short circuit test of electric equipment is characterized by comprising: the device comprises a generator control module, a switch state visual identification module, a short circuit test loop, a test loop control module, a time sequence control module and an air pressure detector; the short circuit test loop comprises a protection switch, a phase selection switch, an operation switch and a test equipment switch;
the generator control module is used for providing power for the system;
the switch state visual identification module is used for acquiring the current opening and closing states of all switches in the short circuit test loop; the time sequence control module is used for transmitting the current opening and closing states of all switches in the short circuit test loop to the time sequence control module;
the air pressure detector is used for detecting air pressure near each switch in the short circuit test loop; the air pressure near each switch in the short circuit test loop is transmitted to the time sequence control module;
the time sequence control module is used for setting a control object of the test loop control module and setting the opening and closing sequence of the control object of the test loop control module; the short circuit test circuit is used for testing the short circuit of the power supply and sending a switching-on/off command to the test circuit control module according to the air pressure near each switch in the short circuit test circuit;
and the test loop control module is used for controlling the opening and closing states of all switches in the short-circuit test loop.
2. The one-key sequence control system for the short-circuit test of the electric power equipment as claimed in claim 1, wherein the timing control module is further configured to send an opening and closing command to the test loop control module according to the current opening and closing states of each switch in the short-circuit test loop.
3. The one-key sequence control system for the short-circuit test of the electrical equipment as claimed in claim 2, wherein the test loop control module is further configured to control the switching-on/off state of each switch in the short-circuit test loop according to the switching-on/off command.
4. The one-key sequential control system for the short-circuit test of the electric power equipment as claimed in claim 3, wherein the switch state visual identification module is further configured to compare whether the current opening/closing state of each switch in the short-circuit test loop is consistent with the opening/closing command, if so, feed back a confirmation signal to the timing control module, and if not, feed back an undetermined signal to the timing control module.
5. The one-key sequence control system for the short-circuit test of the electric power equipment as claimed in claim 4, wherein the timing control module is further configured to send the opening and closing command to the test loop control module again according to the pending signal.
6. A one-touch sequence control method for electric power equipment short-circuit test, which is applied to the one-touch sequence control system for electric power equipment short-circuit test of any one of claims 1-5, and is characterized by comprising the following steps:
acquiring the current opening and closing states of all switches in the short circuit test loop;
detecting whether the current opening and closing states of all switches in the short-circuit test loop meet a first preset condition or not; the first preset condition is that a protection switch is switched on, a phase selection switch is switched off, an operation switch is switched on and a test equipment switch is switched on;
if the current on-off state of each switch in the short-circuit test loop is not met, changing the current on-off state of each switch in the short-circuit test loop until the current on-off state of each switch in the short-circuit test loop meets the first preset condition;
if the test loop control module meets the requirement, setting control objects of the test loop control module as a phase selection switch, a test equipment switch and an operation switch;
controlling the phase selection switch to be switched on;
confirming that the phase selection switch is in a closing state;
detecting the air pressure near the phase selection switch, and controlling the switch of the test equipment to be switched off when the air pressure near the phase selection switch reaches a first preset value;
confirming that the test equipment switch is in an opening state;
detecting the air pressure near the test equipment switch, and controlling the operation switch to open when the air pressure near the test equipment switch reaches a second preset value;
confirming that the operating switch is in a switching-off state;
recording short circuit data of the test equipment; the short circuit data of the test device includes the power and voltage of the test device.
7. The one-key sequence control method for the short-circuit test of the power equipment as claimed in claim 6, wherein the confirming that the phase selection switch is in a closing state comprises:
acquiring the current opening and closing state of the phase selection switch;
checking whether the phase selection switch is in a closing state;
if the phase selection switch is not in a closing state, re-sending a closing and opening instruction;
controlling the switching-on and switching-off state of the phase selection switch until the phase selection switch is in a switching-on state;
and if the phase selection switch is in a closing state, sending a confirmation signal to the time sequence control module.
8. A one-touch sequence control method for electric power equipment short-circuit test, which is applied to the one-touch sequence control system for electric power equipment short-circuit test of any one of claims 1-5, and is characterized by comprising the following steps:
acquiring the current opening and closing states of all switches in the short circuit test loop;
detecting whether the current opening and closing states of all switches in the short-circuit test loop meet a second preset condition or not; the second preset condition is switching on of a protection switch, switching on of a phase selection switch, switching off of an operation switch and switching off of a test equipment switch;
if the current on-off state of each switch in the short-circuit test loop is not met, changing the current on-off state of each switch in the short-circuit test loop until the current on-off state of each switch in the short-circuit test loop meets the second preset condition;
if the test loop control module meets the requirement, setting the control objects of the test loop control module as an operation switch and a test equipment switch;
controlling the operating switch to be switched on;
confirming that the operating switch is in a closing state;
detecting air pressure near the operating switch, and controlling the switch of the test equipment to be switched on when the air pressure near the operating switch reaches a third preset value;
confirming that the test equipment switch is in a closing state;
detecting the air pressure near the test equipment switch, and controlling the test equipment switch to be switched off when the air pressure near the test equipment switch reaches a fourth preset value;
confirming that the test equipment switch is in an opening state;
detecting air pressure proximate to the test device switch; when the air pressure near the test equipment switch reaches a fifth preset value, controlling the operating switch to open;
confirming that the operating switch is in a switching-off state;
recording short circuit data of the test equipment; the short circuit data of the test device includes the power and voltage of the test device.
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| CN202111329171.5A CN114035453A (en) | 2021-11-10 | 2021-11-10 | One-key sequence control system and method for short circuit test of power equipment |
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| CN202111329171.5A CN114035453A (en) | 2021-11-10 | 2021-11-10 | One-key sequence control system and method for short circuit test of power equipment |
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