CN214225347U - Electric operating mechanism and detection device thereof - Google Patents
Electric operating mechanism and detection device thereof Download PDFInfo
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- CN214225347U CN214225347U CN202022607540.XU CN202022607540U CN214225347U CN 214225347 U CN214225347 U CN 214225347U CN 202022607540 U CN202022607540 U CN 202022607540U CN 214225347 U CN214225347 U CN 214225347U
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Abstract
The utility model belongs to the technical field of the high tension switchgear detects, concretely relates to electric operating mechanism and detection device thereof, this detection device include controller, motor circuit detection module and control circuit detection module, motor circuit detection module includes motor voltage acquisition unit and motor current acquisition unit, control circuit detection module includes auxiliary switch signal acquisition unit and contactor signal acquisition unit. The utility model discloses electric operating mechanism performance parameters such as break-make signal to motor voltage, motor current, auxiliary switch, contactor's break-make signal have all been gathered and have been measured, have realized the automatic detection to electric operating mechanism's control section and action part, are convenient for utilize characteristic curves such as speed, time, stroke, movement track that these parameter data match the high tension switchgear body to qualitative or quantitative grasp electric operating mechanism's product characteristic.
Description
Technical Field
The utility model belongs to the technical field of high tension switchgear detects, concretely relates to electric operating mechanism and detection device thereof.
Background
The operating mechanism is mainly responsible for the opening and closing actions of the circuit breaker, the isolating switch and the grounding switch. The working performance of the high-voltage switch influences the quality and reliability of the high-voltage switch and plays a crucial role in the whole transmission and transformation line. The electric operating mechanism is mainly used for an isolating switch or a grounding switch in gas insulated metal-enclosed switchgear. The function of isolating the circuit under the condition of voltage and no current or grounding under the normal working condition is realized. How to realize the detection to electric operating mechanism, reduce the quality hidden danger is the problem that needs to solve urgently.
SUMMERY OF THE UTILITY MODEL
The utility model provides an electric operating mechanism and detection device thereof for realize the detection to electric operating mechanism.
In order to solve the technical problem, the technical scheme of the utility model includes:
the utility model provides an electric operating mechanism detection device, including controller, motor circuit detection module and control circuit detection module, motor circuit detection module includes motor voltage acquisition unit and motor current acquisition unit, control circuit detection module includes auxiliary switch signal acquisition unit and contactor signal acquisition unit;
the motor voltage acquisition unit is used for acquiring the voltage of a motor of the electric operating mechanism to be detected and sending the voltage to the controller;
the motor current acquisition unit is used for acquiring the current of the motor of the electric operating mechanism to be detected and sending the current to the controller;
the auxiliary switch signal acquisition unit is used for acquiring on-off signals of an auxiliary switch of the electric operating mechanism to be detected and sending the on-off signals to the controller;
the contactor signal acquisition unit is used for acquiring on-off signals of a contactor of the electric operating mechanism to be detected and sending the on-off signals to the controller;
the controller is connected with the motor voltage acquisition unit, the motor current acquisition unit, the auxiliary switch signal acquisition unit and the contactor signal acquisition unit and is used for collecting and detecting characteristic parameters of the electric operating mechanism to be detected according to data sent by the motor voltage acquisition unit, the motor current acquisition unit, the auxiliary switch signal acquisition unit and the contactor signal acquisition unit.
The beneficial effects of the above technical scheme are: the utility model discloses a detection device, to motor voltage, motor current, auxiliary switch's break-make signal, electric operating mechanism performance parameters such as the break-make signal of contactor have carried out collection and measurement, the automatic comprehensive detection to electric operating mechanism's control division and action part has been realized, be convenient for utilize the speed of these parameter data matching GIS body, time, the stroke, characteristic curve such as movement track, so that carry out qualitative or quantitative grasp to electric operating mechanism's product characteristic, the quantitative analysis mechanical behavior, the trouble takes place, the mechanism and the process of development, aassessment electric mechanism's mechanical characteristic, provide data support for follow-up engineering design and optimization.
Further, in order to further realize the detection of the motor, the motor loop detection module further comprises a motor direct resistance acquisition unit for acquiring the direct current resistance of the motor of the electric operating mechanism to be detected and sending the direct current resistance to the controller.
Furthermore, the control loop detection module further comprises a contactor control loop current acquisition unit, which is used for acquiring the current of a contactor controller loop of the electric operating mechanism to be detected and sending the current to the controller.
Further, in order to accurately measure and obtain the motor voltage, the motor voltage acquisition unit comprises a Hall voltage sensor and a voltage signal conditioning circuit, wherein the output end of the Hall voltage sensor is connected with the input end of the voltage signal conditioning circuit, and the output end of the voltage signal conditioning circuit is connected with the controller.
Further, in order to accurately measure and obtain the motor current, the motor current collecting unit comprises a hall current sensor and a current signal conditioning circuit, the output end of the hall current sensor is connected with the input end of the current signal conditioning circuit, and the output end of the current signal conditioning circuit is connected with the controller.
Furthermore, the detection device also comprises an alarm module, and the controller is in control connection with the alarm module.
Furthermore, in order to play a warning role, the alarm module is a buzzer.
Furthermore, the detection device also comprises an upper computer which is in communication connection with the controller.
Further, the controller is an ARM.
The utility model also provides an electric operating mechanism, including the electric operating mechanism body, the electric operating mechanism body includes motor, contactor and auxiliary switch, still includes the electric operating mechanism detection device that the aforesaid introduced to reach the effect the same with this detection device.
Drawings
FIG. 1 is a block diagram of the electric operating mechanism tested by the present invention;
the system comprises a terminal block 1, a contactor 2, an auxiliary switch 3, a motor 4 and a detection device 5;
fig. 2 is a schematic view of the structural connection of the electric operating mechanism detecting device of the present invention.
Detailed Description
Electric operating mechanism embodiment:
the utility model discloses an electric operating mechanism embodiment, including electric operating mechanism detection device and as the electric operating mechanism body shown in figure 1, this detection device can detect the electric operating mechanism body.
As shown in fig. 1, the electric operating mechanism includes a terminal block 1, a contactor 2, an auxiliary switch 3, and a motor 4. The contactor 2 and the auxiliary switch 3 belong to a control part, the motor 4 belongs to an action part, and the electric operating mechanism is connected with an external detection device through the terminal row 1, namely, the detection device collects and detects related signals of the electric operating mechanism in the opening and closing process through external wiring of the terminal row.
As shown in fig. 2, the detection device is arranged outside the electric operating mechanism and comprises an ARM, a motor loop detection module, a control loop detection module, a power supply module, a buzzer and an upper computer.
The motor loop detection module comprises a motor voltage acquisition unit, a motor current acquisition unit and a motor direct resistance acquisition unit. The motor voltage acquisition unit comprises a Hall voltage sensor, a voltage signal conditioning circuit and an A/D converter, wherein the Hall voltage sensor is connected with a terminal strip of the electric operating mechanism to acquire a motor voltage signal, and the motor voltage signal is conditioned and subjected to A/D conversion and then sent to the ARM, so that the motor voltage is sampled in the switching-on and switching-off process. The motor current acquisition unit comprises a Hall current sensor 1, a current signal conditioning circuit and an A/D converter, wherein the Hall current sensor is connected with a terminal strip of the electric operating mechanism to acquire a motor current signal, and the motor current signal is conditioned and subjected to A/D conversion and then sent to the ARM, so that the motor current is sampled in the process of halving and switching. The motor direct-current resistance acquisition unit is used for acquiring the direct-current resistance of the motor and sending the direct-current resistance to the ARM, so that the sampling of the direct-current resistance of the motor in the switching-on and switching-off process is realized. The motor direct resistance acquisition unit is a device for obtaining motor resistance according to voltage and current.
The control loop detection module comprises a contactor signal acquisition unit, an auxiliary switch signal acquisition unit and a contactor control loop current acquisition unit. The auxiliary switch signal acquisition unit is connected with the contact of the auxiliary switch through the terminal strip and used for acquiring the on-off signal of the auxiliary switch, so that the on-off time of the auxiliary switch is measured. The contactor signal acquisition unit is connected with the contact of the contactor through the terminal row and used for acquiring the on-off signal of the contactor, so that the on-off operation of the contactor is counted and the on-off time is measured. The contactor control loop current acquisition unit comprises a Hall current sensor 2, a current signal conditioning circuit and an A/D converter, wherein the Hall current sensor is connected with a terminal strip of the electric operating mechanism to acquire a loop current signal of the contactor controller, and the loop current signal is conditioned and subjected to A/D conversion and then sent to an ARM (advanced RISC machine), so that the sampling of the current of the contactor control loop in the switching-on and switching-off process is realized.
The buzzer is an alarm module and is used for alarming, for example, when the voltage of a motor, the current of the motor or the current of a control loop of the contactor exceeds a corresponding set threshold value, the buzzer alarms.
The ARM is a core processor of the whole detection device, is connected with the upper computer through the USB-TTL to perform data interaction, controls the buzzer to perform alarm work, and can acquire data acquired by the motor loop detection module and the control loop detection module.
The upper computer can issue commands to the ARM and can also receive and display data sent by the ARM, and man-machine interaction is achieved.
The power supply device is used for supplying power to the modules, the units, the ARM and other devices in the detection device.
The working principle of the detection device is as follows: in the process of opening and closing the electric operating mechanism, the motor loop detection module and the control loop detection module can realize the measurement of the following parameters: the method comprises the steps of detecting current of a motor, voltage of the motor, direct-current resistance of the motor, the number of times of opening and closing operations of a contactor, opening and closing time of the contactor and on-off time of an auxiliary switch, sending detected data to an ARM (advanced RISC machine), comprehensively collecting and detecting characteristic parameters of an electric operating mechanism, fitting the parameters in a time domain through upper computer software, matching characteristic curves of a high-voltage switch body (such as a GIS) in speed, time, stroke, movement track and the like, digitalizing the mechanical movement process of the electric operating mechanism, quantifying the mechanical characteristics of the electric mechanism, determining the mechanism and process of fault occurrence and development, providing data support for optimizing product design, and improving product performance.
Furthermore, the utility model discloses do not restrict this detection device to electric operating mechanism's detection opportunity. The characteristic parameters of the electric mechanism can be collected and detected in a factory test, and the characteristics can be analyzed in a product test stage so as to carry out duplication in a fault stage. Abnormal values are checked (such as current/time change rate rising, mechanism over torque-clamping stagnation, opening and closing time rising, contactor cut-off time slow-brake failure, mechanism can not brake effectively) so as to reduce failure rate and improve product quality.
In this embodiment, the controller is an ARM, and as another embodiment, other controllers in the prior art, such as a DSP, a microprocessor MCU, and the like, may be used.
In this embodiment, the alarm module adopts a buzzer, and as other embodiments, the alarm module can only adopt an indicator light to alarm, and can also adopt a mode of combining the buzzer and the indicator light to alarm.
Detection device embodiment:
the utility model discloses an electric operating mechanism detection device embodiment, like the electric operating mechanism detection device who introduces in the embodiment, no longer describe here.
Claims (10)
1. The detection device for the electric operating mechanism is characterized by comprising a controller, a motor loop detection module and a control loop detection module, wherein the motor loop detection module comprises a motor voltage acquisition unit and a motor current acquisition unit, and the control loop detection module comprises an auxiliary switch signal acquisition unit and a contactor signal acquisition unit;
the motor voltage acquisition unit is used for acquiring the voltage of a motor of the electric operating mechanism to be detected and sending the voltage to the controller;
the motor current acquisition unit is used for acquiring the current of the motor of the electric operating mechanism to be detected and sending the current to the controller;
the auxiliary switch signal acquisition unit is used for acquiring on-off signals of an auxiliary switch of the electric operating mechanism to be detected and sending the on-off signals to the controller;
the contactor signal acquisition unit is used for acquiring on-off signals of a contactor of the electric operating mechanism to be detected and sending the on-off signals to the controller;
the controller is connected with the motor voltage acquisition unit, the motor current acquisition unit, the auxiliary switch signal acquisition unit and the contactor signal acquisition unit and is used for collecting and detecting characteristic parameters of the electric operating mechanism to be detected according to data sent by the motor voltage acquisition unit, the motor current acquisition unit, the auxiliary switch signal acquisition unit and the contactor signal acquisition unit.
2. The electric operating mechanism detection device according to claim 1, wherein the motor loop detection module further comprises a motor direct resistance acquisition unit for acquiring a direct resistance of a motor of the electric operating mechanism to be detected and sending the direct resistance to the controller.
3. The electric operating mechanism detection device according to claim 1, wherein the control loop detection module further comprises a contactor control loop current collection unit for collecting current of a contactor controller loop of the electric operating mechanism to be detected and sending the current to the controller.
4. The electric operating mechanism detection device according to claim 1, wherein the motor voltage acquisition unit comprises a hall voltage sensor and a voltage signal conditioning circuit, an output end of the hall voltage sensor is connected with an input end of the voltage signal conditioning circuit, and an output end of the voltage signal conditioning circuit is connected with the controller.
5. The electric operating mechanism detection device according to claim 1, wherein the motor current collection unit comprises a hall current sensor and a current signal conditioning circuit, an output end of the hall current sensor is connected with an input end of the current signal conditioning circuit, and an output end of the current signal conditioning circuit is connected with the controller.
6. The electric operating mechanism detection device of claim 1, further comprising an alarm module, wherein the controller is in control connection with the alarm module.
7. The electric operating mechanism detection device of claim 6, wherein the alarm module is a buzzer.
8. The electric operating mechanism detection device of claim 1, further comprising an upper computer in communication with the controller.
9. The electric operating mechanism detecting device according to any one of claims 1 to 8, wherein the controller is an ARM.
10. An electric operating mechanism comprising an electric operating mechanism body including a motor, a contactor and an auxiliary switch, characterized by further comprising an electric operating mechanism detecting device according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022607540.XU CN214225347U (en) | 2020-11-11 | 2020-11-11 | Electric operating mechanism and detection device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022607540.XU CN214225347U (en) | 2020-11-11 | 2020-11-11 | Electric operating mechanism and detection device thereof |
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| Publication Number | Publication Date |
|---|---|
| CN214225347U true CN214225347U (en) | 2021-09-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022607540.XU Active CN214225347U (en) | 2020-11-11 | 2020-11-11 | Electric operating mechanism and detection device thereof |
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| CN (1) | CN214225347U (en) |
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2020
- 2020-11-11 CN CN202022607540.XU patent/CN214225347U/en active Active
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