CN210573271U - Automatic timing device - Google Patents
Automatic timing device Download PDFInfo
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- CN210573271U CN210573271U CN201921296294.1U CN201921296294U CN210573271U CN 210573271 U CN210573271 U CN 210573271U CN 201921296294 U CN201921296294 U CN 201921296294U CN 210573271 U CN210573271 U CN 210573271U
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Abstract
An automatic timing device comprises a control module, an electric execution module, a current induction module and a timing module; the control module generates a control signal; the electric execution module switches on or off the working power supply according to the control signal; the current sensing module generates a conduction trigger signal according to the conduction of the working power supply to trigger the timing module to work, and generates a conduction trigger signal according to the turn-off stop of the working power supply to stop the timing module from working; the timing module performs timing according to the conduction trigger signal and stops timing according to the termination of the conduction trigger signal; the automatic timing device has the advantages that the automatic timing device triggers the timing module to time by sensing the fact that the working power supply generates the conducting trigger signal, and the working power supply is turned off to stop timing, so that the reaction time and the working time of the electric actuating mechanism can be automatically, timely and accurately timed, the problems of inaccurate manual timing and large error are solved, the automatic timing device is small in size and high in portability, and the efficiency of testing operation is improved; meanwhile, the price is low, and the practicability is high.
Description
Technical Field
The application belongs to the technical field of installation, debugging and maintenance operation auxiliary equipment, and particularly relates to an automatic timing device.
Background
At present, when the conventional electric valve is debugged, the electric valve is switched on and off on the spot by pressing a test box, the contactor actuation sound is heard to start pressing the stopwatch to time, the contactor is heard to act again, the stopwatch is pressed again to stop timing, the manual timing defect is more, and the error is large. And at present, when a containment spraying system test is carried out in a domestic nuclear power plant, the on-off time of the electric actuating mechanism is only recorded, the valve is not allowed to be opened and closed for many times, and the good time can only be recorded once.
With the widespread use of a large number of electric actuators, how to control the opening and closing time of the electric actuators, whether valves can be opened or closed according to required time, how to accurately record the opening and closing time of the valves are all safety critical problems that need to be taken into account and solved, and some special valves are required to be opened or closed emergently under special circumstances to prevent further spreading of dangers, minimize plant losses, further improve safety, and therefore have stricter requirements on the reaction time of the electric valves.
Therefore, in the traditional technical scheme, the problems that the timing error of the reaction time of the electric valve is large, the time cannot be tested and recorded repeatedly, and the timing circuit is complex in arrangement, large in size and high in cost exist.
SUMMERY OF THE UTILITY MODEL
In view of this, the embodiment of the present application provides an automatic timing device, which aims to solve the problems that in the conventional technical scheme, when debugging is performed, the timing error of the reaction time of an electric valve is large, the time cannot be repeatedly tested and recorded, and the timing circuit is complex in arrangement, large in size and high in cost.
The embodiment of the application provides an automatic timing device, automatic timing device includes:
a control module for generating a control signal;
the electric execution module is connected with the control module and used for switching on or switching off the working power supply according to the control signal;
the current induction module is connected with the electric execution module and used for generating a conduction trigger signal according to the conduction of the working power supply so as to trigger the timing module to work and generating the conduction trigger signal according to the stop of the turning-off of the working power supply so as to stop the timing module to work;
and the timing module is connected with the current sensing module and used for timing according to the conduction trigger signal and stopping timing according to the termination of the conduction trigger signal.
In one embodiment, the electric actuator module comprises:
the electric execution unit is connected with the control module and used for generating a driving signal according to the control signal;
and the valve unit is connected with the electric execution unit and used for switching on or switching off the working power supply according to the driving signal.
In one embodiment, the electric actuator unit comprises an electric actuator; the valve unit includes an electrically operated valve.
In one embodiment, the current sensing module comprises a voltage transformer or a current transformer.
In one embodiment, the timing module comprises:
the control unit is connected with the current sensing module and used for generating a clock control signal according to the conduction trigger signal and generating a display signal according to the clock signal;
the timing unit is connected with the control unit and used for timing according to the clock control signal and generating the clock signal according to a timing result;
and the display unit is connected with the control unit and is used for displaying time according to the display signal.
In one embodiment, the timing module includes a clock chip.
In one embodiment, the control module comprises at least one of a microprocessor, a PLC, and a CPLD.
The automatic timing device generates a control signal through the control module, the electric execution module switches on or off the working power supply according to the control signal, the current induction module generates a switching-on trigger signal according to the switching-on of the working power supply to trigger the timing module to work, the switching-on trigger signal is generated according to the switching-off stop of the working power supply to stop the timing module from working, and the timing module performs timing according to the switching-on trigger signal and stops timing according to the termination of the switching-on trigger signal; the timing module is triggered to time by the conduction trigger signal generated when the working power supply is sensed, and the timing is stopped when the working power supply is switched off, so that the reaction and the working time of the electric actuating mechanism are automatically and accurately timed, the system can accurately control the time according to the timing time, the problems of inaccurate manual timing and large error are avoided, the risk of equipment damage caused by time data error is reduced, the automatic timing device is small in size and high in portability, and the efficiency of test operation is improved; meanwhile, the automatic timing device is low in price, high in practicability and suitable for popularization and application.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of an automatic timing device according to an embodiment of the present application;
fig. 2 is another schematic structural diagram of an automatic timing device according to an embodiment of the present application;
fig. 3 is another schematic structural diagram of an automatic timing device according to an embodiment of the present application;
fig. 4 is a schematic circuit diagram of an example of an automatic timer device according to an embodiment of the present application.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further 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 present application and are not intended to limit the present application.
Referring to fig. 1, a schematic structural diagram of an automatic timing device according to an embodiment of the present application shows only parts related to the embodiment for convenience of description, and the details are as follows:
an automatic timing device comprises a control module 10, an electric execution module 11, a current induction module 12 and a timing module 13.
The control module 10 is used for generating a control signal; the electric execution module 11 is connected with the control module 10 and used for switching on or switching off the working power supply according to the control signal; the current sensing module 12 is connected with the electric execution module 11, and is configured to generate a conduction trigger signal according to conduction of the working power supply to trigger the timing module to operate, and stop generating the conduction trigger signal according to shutdown of the working power supply to stop the timing module to operate; the timing module 13 is connected to the current sensing module 12, and is configured to perform timing according to the conduction trigger signal and stop timing according to the termination of the conduction trigger signal.
Referring to fig. 2, in one embodiment, the electric actuator module 11 includes an electric actuator unit 111 and a valve unit 112.
The electric execution unit 111 is connected with the control module 10 and is used for generating a driving signal according to the control signal; the valve unit 112 is connected to the electric actuator 111, and is configured to turn on or off the working power supply according to the driving signal.
Optionally, the electric actuator unit 111 comprises an electric actuator; the valve unit 112 includes an electrically operated valve.
In one embodiment, the current sensing module 12 includes a voltage transformer or a current transformer.
In specific implementation, the current transformers comprise direct current transformers and alternating current transformers, and suitable current transformers can be selected according to specific application occasions.
Referring to fig. 3, in one embodiment, the timing module 13 includes a control unit 131, a timing unit 132 and a display unit 133.
The control unit 131 is connected to the current sensing module 12, and configured to generate a clock control signal according to the conduction trigger signal and generate a display signal according to the clock signal; the timing unit 132 is connected to the control unit 131, and is configured to perform timing according to the clock control signal and generate a clock signal according to a timing result; the display unit 133 is connected to the control unit 131 for displaying time according to the display signal.
In specific implementation, the control unit 131 is a microprocessor or a single chip, and the display unit 133 is a light emitting diode or an LED nixie tube or an LED display screen.
In one embodiment, the timing module includes a clock chip. In specific implementation, the clock chip belongs to one of integrated circuits, has clock characteristics, can record time and display the time, and can meet the requirements of timing and displaying of an automatic device.
In one embodiment, the control module 10 includes at least one of a microprocessor, a PLC, and a CPLD.
The electric actuator can be controlled to be connected with a working power supply or disconnected from the working power supply according to the test requirements and the characteristics of the electric actuator by a microprocessor or a Programmable Logic Controller (PLC) or a Complex Programmable Logic Device (CPLD), and the reaction time and the working time of the electric actuator can be automatically, timely and accurately timed by combining the current sensing module 12 and the timing module 13.
Referring to fig. 4, fig. 4 is a schematic circuit diagram of an automatic timer device according to an embodiment of the present application, and for convenience of description, only the relevant portions of the automatic timer device are shown, which is detailed as follows:
specifically, the current sensing module 12 includes a current sensing switch K, and the current sensing switch K is disposed on a corresponding current loop, that is, a coil of the current sensing switch K passes through a working power line, and a first output terminal 1 of the current sensing switch K and a second output terminal 2 of the current sensing switch K are connected to the control unit 131 of the timing module 13. Optionally, the control unit 131 includes a first microprocessor U1, the timing unit 132 includes a first clock chip U2, and the display unit 133 includes an LED nixie tube. The load of the working power supply is a motor M.
The operation of the automatic timer will be briefly described with reference to fig. 4 as follows:
when a working power supply passes through a coil of the current sensing switch K, the current sensing switch K generates a turn-on trigger signal according to a current sensing principle and outputs the turn-on trigger signal through a first output terminal 1 of the current sensing switch K, the turn-on trigger signal is input into a first microprocessor U1 through a first data input/output terminal PD0 of a first microprocessor U1, a first microprocessor U1 generates a clock control signal according to the turn-on trigger signal and outputs the clock control signal to a clock terminal SCLK of a first clock chip U2, an input/output terminal I/O of the first clock chip U2 and a reset terminal of the first clock chip U2 through a second data input/output terminal PD1 of the first microprocessor U1, a third data input/output terminal PD2 of the first microprocessor U1 and a fourth data input/output terminal PD3 of the first microprocessor U1, the first clock chip U2 performs timing according to the clock control signal and generates a clock signal according to a timing result, the clock signal is output to the third data input and output end PD2 of the first microprocessor U1 through the input and output end I/O of the first clock chip U2, the first microprocessor U1 generates a display signal according to the clock signal and outputs the display signal to the LED nixie tube, and the LED nixie tube displays the recorded time according to the display signal.
When the working power supply in the coil of the current sensing switch K stops conducting, the current sensing switch K stops generating the conducting trigger signal, and the first microprocessor U1 controls the first clock chip U2 to stop timing.
The automatic timing device of the embodiment can generate a conduction trigger signal according to the conduction of the working power supply through the current induction switch so as to trigger the timing module to work, and generate the conduction trigger signal according to the stop of the turning-off of the working power supply so as to stop the timing module to work; the timing module performs timing according to the conduction trigger signal and stops timing according to the termination of the conduction trigger signal; the automatic timing device has the advantages that the reaction time and the working time of the electric actuating mechanism are accurately timed, so that the system can accurately control the time according to the timing time, the problems of inaccurate manual timing and large error are solved by current induction automatic timing, the risk of equipment damage caused by time data error is reduced, the size of the automatic timing device is small, the portability is high, and the efficiency of test operation is improved; meanwhile, the automatic timing device is low in price, high in practicability and suitable for popularization and application.
The automatic timing device can also be used for timing other devices with current, for example, when the automatic timing device is applied to the operation of a machine tool precision instrument of a factory, the processing time of a product is tested to assist in detecting and judging whether the device has faults or not, whether the product quality is qualified or not, whether a valve has faults or not and the like.
It will be appreciated by those of ordinary skill in the art that the embodiments herein and shown are non-limiting examples, and thus, it can be appreciated that the specific structural and functional details disclosed herein may be representative and do not necessarily limit the scope of the embodiments.
It will be apparent to those skilled in the art that, for convenience and brevity of description, only the above-mentioned division of the functional units and modules is illustrated, and in practical applications, the above-mentioned function distribution may be performed by different functional units and modules according to needs, that is, the internal structure of the apparatus is divided into different functional units or modules, so as to perform all or part of the functions described above. Each functional unit and module in the embodiments may be integrated in one processing unit, or each unit may exist alone physically, or two or more units are integrated in one unit, and the integrated unit may be implemented in a form of hardware, or in a form of software functional unit. In addition, specific names of the functional units and modules are only for convenience of distinguishing from each other, and are not used for limiting the protection scope of the present application.
In the above embodiments, the descriptions of the respective embodiments have respective emphasis, and reference may be made to the related descriptions of other embodiments for parts that are not described or illustrated in a certain embodiment.
The present invention is not intended to be limited to the particular embodiments shown and described, but is to be accorded the widest scope consistent with the principles and novel features herein disclosed.
Claims (7)
1. An automatic time counting device, characterized in that it comprises:
a control module for generating a control signal;
the electric execution module is connected with the control module and used for switching on or switching off the working power supply according to the control signal;
the current induction module is connected with the electric execution module and used for generating a conduction trigger signal according to the conduction of the working power supply so as to trigger the timing module to work and generating the conduction trigger signal according to the stop of the turning-off of the working power supply so as to stop the timing module to work;
and the timing module is connected with the current sensing module and used for timing according to the conduction trigger signal and stopping timing according to the termination of the conduction trigger signal.
2. The automated timing device of claim 1, wherein the electrically powered actuating module comprises:
the electric execution unit is connected with the control module and used for generating a driving signal according to the control signal;
and the valve unit is connected with the electric execution unit and used for switching on or switching off the working power supply according to the driving signal.
3. The automated timing device of claim 2, wherein the electric actuator unit comprises an electric actuator; the valve unit includes an electrically operated valve.
4. The automated timing device of claim 1, wherein the current sensing module comprises a voltage transformer or a current transformer.
5. The automated timing device of claim 1, wherein the timing module comprises:
the control unit is connected with the current sensing module and used for generating a clock control signal according to the conduction trigger signal and generating a display signal according to the clock signal;
the timing unit is connected with the control unit and used for timing according to the clock control signal and generating the clock signal according to a timing result;
and the display unit is connected with the control unit and is used for displaying time according to the display signal.
6. The automated timing device of claim 1, wherein the timing module comprises a clock chip.
7. The automated timing device of claim 1, wherein the control module comprises at least one of a microprocessor, a PLC, and a CPLD.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921296294.1U CN210573271U (en) | 2019-08-09 | 2019-08-09 | Automatic timing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921296294.1U CN210573271U (en) | 2019-08-09 | 2019-08-09 | Automatic timing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210573271U true CN210573271U (en) | 2020-05-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921296294.1U Active CN210573271U (en) | 2019-08-09 | 2019-08-09 | Automatic timing device |
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| CN (1) | CN210573271U (en) |
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2019
- 2019-08-09 CN CN201921296294.1U patent/CN210573271U/en active Active
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