CN210953420U

CN210953420U - Intermittent operation device

Info

Publication number: CN210953420U
Application number: CN201920949979.5U
Authority: CN
Inventors: 李高庆; 汪辉; 胡欣
Original assignee: Shanghai Highly Electrical Appliances Co Ltd
Current assignee: Shanghai Highly Electrical Appliances Co Ltd
Priority date: 2019-06-21
Filing date: 2019-06-21
Publication date: 2020-07-07
Anticipated expiration: 2029-06-21

Abstract

The utility model provides an intermittent operation device uses the counter and the time relay of 380Vac input power to can set for operating duration and off-time and operation number of times through the panel. And a control key can be arranged, when the control key is positioned at a pause position, the time relay can pause for timing, when the control key is positioned at an operating position, the time relay starts to time, and the output of the operating device is cut off after the counter reaches the specified times. The display unit is provided to display the running/stopping time and the number of times of on/off. The utility model provides a device need not power transformer, directly uses three phase current, and structure and circuit are simple, and small in size cooperates the general controller to use, can accomplish compressor discontinuous operation. The intermittent time setting of second, minute and hour can be set, and the compressor operation is stopped after the appointed intermittent operation times.

Description

Intermittent operation device

Technical Field

The utility model relates to an instrument, equipment and device for detection, safety and test, in particular to intermittent operation device.

Background

The reliability test of the prior compressor is required before the prior compressor is put into production, and the intermittent test is required when the reliability test of the compressor is carried out. This test requires that the time of the intermittent signal be adjustable and must be completed after a specified number of interruptions. Generally, a general controller is used for carrying out intermittent operation control on the motor. The general controller needs to input the on-off signal of the intermittent operation from the outside, most of the existing manufacturers can choose to use a time relay or a PLC controller for testing, and the conventional time relay or the PLC controller needs 220VAC or direct current power supply for supplying power. The life experimental device of three-phase three-wire system can not provide above-mentioned power, therefore some producers choose to set up the transformer behind the power in order to satisfy the power demand of conventional time relay or PLC control, and the structure of whole device becomes complicated behind the increase power transformer, and is bulky.

Therefore, there is a need for an intermittent operation device with a simple structure and a light volume to be used with a general controller.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an intermittent operation device for the structure is complicated among the solution prior art, the great scheduling problem of volume.

In order to solve the technical problem, the utility model provides an intermittent operation device, which is used for a universal controller of a motor and comprises a counting module and a timing module;

the timing module is used for setting the time for the device to send the on-off signal each time, and the counting module is used for setting the times for the device to send the on-off signal;

the counting module is matched with the timing module for use so as to control the time and the times of the device for sending on-off signals to the universal controller.

Optionally, the counting module and the timing module are connected to a 380Vac power supply for supplying power.

Optionally, a timing display unit and a timing setting unit are arranged on the timing module;

the timing setting unit is used for setting the running time and the stopping time of the device for sending the on-off signal every time, and the timing display unit is used for displaying the running time and the stopping time.

Optionally, the timing display unit is configured to display the hour, minute and second of the running time and the stop time.

Optionally, the counting module is provided with a counting display unit and a counting setting unit;

the counting and setting unit is used for setting the times of sending the on-off signals of the device, and the counting and displaying unit is used for displaying the times of sending the on-off signals of the device.

Optionally, the counting module is further provided with a resetting unit, and the resetting unit is used for resetting the counting setting unit of the counting module.

Optionally, the counting module is a counter.

Optionally, the timing module is a time relay.

Optionally, the timing module further comprises a control module, and the control module is used for enabling and pausing the timing module.

Optionally, the control module includes a control key, and two working states of the control key are respectively used for enabling and pausing the timing module.

Drawings

Fig. 1 is a schematic structural view of an intermittent operation device according to an embodiment of the present invention;

10-counting module, 101-counting display unit, 102-counting setting unit, 103-resetting unit and 20-timing module. 201-timing display unit, 202-timing setting unit, 30-control module.

Detailed Description

The intermittent operation device according to the present invention will be described in detail with reference to the accompanying drawings and specific embodiments. The advantages and features of the present invention will become more fully apparent from the following description and appended claims. It should be noted that the drawings are in simplified form and are not to precise scale, and are provided for convenience and clarity in order to facilitate the description of the embodiments of the present invention.

In the description of the present invention, it should be understood that the terms "center", "upper", "lower", "left", "right", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

As shown in fig. 1, the embodiment of the present invention provides an intermittent operation device, which can be used for a general controller of a motor, and includes a counting module 10 and a timing module 20. The timing module 20 is configured to set a time for the device to send the on-off signal each time, and the counting module 10 is configured to set a number of times for the device to send the on-off signal. The counting module 10 is used in cooperation with the timing module 20 to control the time and the times of the device sending on-off signals to the universal controller.

The intermittent operation device provided by the embodiment can be directly connected with a 380Vac power supply on the counting module 10 and the timing module 20, and voltage reduction conversion of external transformer equipment is not needed, so that the requirements of a three-phase three-wire system service life experiment are met, and compared with the traditional device, the intermittent operation device is simpler in structure and circuit and lighter in volume. And the counting module 10 and the timing module 20 are arranged, so that the time and the times of providing the intermittent signals by the device can be selected according to the specific needs of the test, and the test data can be more accurate.

Optionally, the timing module 20 may be provided with a timing display unit 201 and a timing setting unit 202, the timing setting unit 202 is configured to set an operation time and a stop time for the device to send an on-off signal each time, and the timing display unit 201 is configured to display the operation time and the stop time. As shown in fig. 1, a timing display unit 201 may be disposed on the timing module 20 for displaying numbers, where the timing display unit 201 may be a display module composed of simple LED lamps, or may be a small-sized liquid crystal display, and certainly not limited to these two display devices, there may be many other types of display devices, and the present disclosure is not limited thereto. The timing setting unit 202 may be in the form of a mechanical button or a touch screen, and is not limited herein. It should be noted that the timing display unit 201 and the timing setting unit 202 mentioned here are integrated on the timing module 20, and the timing display unit 201 can display the time, minute and second of the running time and the stop time of the device, and of course, whether to display the millisecond can be selected as required to obtain more accurate data.

Optionally, the counting module 10 may be provided with a count display unit 101 and a count setting unit 102, the count setting unit 102 is configured to set the number of times of sending the on/off signal of the device, and the count display unit 101 is configured to display the number of times of sending the on/off signal of the device. As shown in fig. 1, the count setting unit 102 on the counting module 10 can be used to select the number of times that the device needs to send the on-off signal more experimently, and the count display unit 101 on the counting module 10 can be used to display the number of times that a complete action of sending the on-off signal has been performed, and can also be used to display the number of times set by the operator. Similar to the previous timing display unit 201, the counting display unit 101 may be a display module composed of simple LED lamps, or may be a small-sized liquid crystal display, but is not limited to these two display devices, and many other types of display devices may be provided, and are not limited herein.

Optionally, a reset unit 103 may be further disposed on the counting module 10, and the reset unit 103 is configured to reset the count setting unit 102 of the counting module 10. The reset unit 103 mentioned here can clear the set number of times of the counting module 10 and reset the number of times by operating the reset unit 103, mainly when the test is performed and the data setting is found to be incorrect or some other test needs to be restarted. It should be noted that, in order to prevent the false touch, the reset unit 103 is disposed at a position on the counting module 10 where the touch is not easy to occur, or the operation mode of the reset unit 103 is designed to be a mechanism which needs an additional operation to activate.

Alternatively, the counting module 10 may be a counter, but may also be other types of devices with functions, and is not limited herein. The timing module 20 may be a time relay, and may also be other types of devices having a timing function, which is not limited herein. However, both the counting module 10 and the timing module 20 here must support an input power of 380 Vac.

Optionally, a control module 30 may also be included, the control module 30 being configured to enable and disable the timing module 20. The control module 30 may be a control key, which may be of the toggle switch type, dialing up may enable the timing module 20, and dialing down may pause the timing module 20.

To sum up, the utility model provides an intermittent operation device uses the counter and the time relay of 380Vac input power to can set for operating duration and dead time and operation number of times through the panel. And a control key can be arranged, when the control key is positioned at a pause position, the time relay can pause for timing, when the control key is positioned at an operating position, the time relay starts to time, and the output of the operating device is cut off after the counter reaches the specified times. The display unit is provided to display the running/stopping time and the number of times of on/off. The utility model provides a device need not power transformer, directly uses three phase current, and structure and circuit are simple, and small in size cooperates the general controller to use, can accomplish compressor discontinuous operation. The intermittent time setting of second, minute and hour can be set, and the compressor operation is stopped after the appointed intermittent operation times.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example" or "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. And the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments. Furthermore, various embodiments or examples described in this specification can be combined and combined by those skilled in the art.

Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention.

Claims

1. An intermittent operation device is used for a universal controller of a motor and is characterized by comprising a counting module and a timing module;

the counting module is matched with the timing module for use so as to control the time and the times of the device for sending on-off signals to the universal controller;

the counting module and the timing module are connected with a 380Vac power supply for supplying power.

2. The intermittent operation device as claimed in claim 1, wherein the timing module is provided with a timing display unit and a timing setting unit;

3. The intermittent operation device as claimed in claim 2, wherein the time display unit is adapted to display the hour, minute and second of the operation time and the stop time.

4. The intermittent operation device as claimed in claim 2, wherein the counting module is provided with a count display unit and a count setting unit;

5. The intermittent operation device as claimed in claim 4, wherein a reset unit for resetting the count setting unit of the counting module is further provided on the counting module.

6. An intermittent operation apparatus as claimed in claim 1, wherein said counting module is a counter.

7. An intermittent operating device as claimed in claim 1, wherein said timing module is a time relay.

8. The discontinuous operation device according to claim 1, further comprising a control module for enabling and disabling the timing module.

9. An apparatus for intermittent operation as claimed in claim 8 wherein said control module includes a control button, said control button having two operating states for enabling and disabling said timing module, respectively.