CN215523458U - Automatic opening and closing monitoring device and range hood - Google Patents
Automatic opening and closing monitoring device and range hood Download PDFInfo
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- CN215523458U CN215523458U CN202121885587.0U CN202121885587U CN215523458U CN 215523458 U CN215523458 U CN 215523458U CN 202121885587 U CN202121885587 U CN 202121885587U CN 215523458 U CN215523458 U CN 215523458U
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Abstract
The utility model provides an automatic opening and closing monitoring device and a range hood, wherein the automatic opening and closing monitoring device comprises: the device comprises a driving device for driving the opening and closing assembly to move, a main control unit for supplying power to the driving device and controlling the driving device to operate, and a detection unit for detecting the working current of the driving device, wherein the main control unit judges whether the opening and closing assembly operates abnormally according to the working current. Compared with the prior art, the automatic monitoring device can realize the automatic monitoring of the opening and closing device, and solves the problem of personnel cost.
Description
Technical Field
The utility model belongs to the field of household appliances, and particularly relates to an automatic opening and closing monitoring device and a range hood.
Background
The smoke guide plate glass opening and closing assembly of the range hood with the novel structure is an important core component of the range hood, the design of the smoke guide plate glass opening and closing assembly is an important index influencing the advantages and the disadvantages of a complete machine, the smoke guide plates of the range hood in the prior industry are all opening and closing designs, the smoke guide plate glass opening and closing assembly is an item which must be used in the using process, the user experience is directly influenced, the wall hanging state of the complete machine is simulated as required, the personal running speed according to normal work is needed, the complete opening and closing is a period, and the power-on power supply enables a mechanism to perform opening and closing movement 30000 times at the frequency of every 30s period:
the normal work is performed 25000 times of opening and closing;
the weight is added on the opening and closing cover, which is about 20 percent of the weight of the opening and closing cover, and then 5000 times of opening and closing are carried out;
in the test process, the electric opening and closing mechanism should not have abnormalities such as obvious display blockage, noise and the like, and should not be damaged, so that the manpower waste is serious, the personnel cannot operate continuously, and the opening and closing quality of the smoke guide plate assembly is difficult to guarantee.
Therefore, how to design an automatic opening and closing monitoring device capable of automatically monitoring the opening and closing state of the opening and closing assembly and a range hood has a great need to solve the technical problem in the industry.
SUMMERY OF THE UTILITY MODEL
The utility model provides an automatic opening and closing monitoring device and a range hood, aiming at the problems that in the prior art, the operation monitoring of an opening and closing assembly needs manual operation and the personnel cost is increased.
The technical scheme of the utility model is that an automatic opening and closing monitoring device is provided, which comprises: the device comprises a driving device for driving the opening and closing assembly to move, a main control unit for supplying power to the driving device and controlling the driving device to operate, and a detection unit for detecting the working current of the driving device, wherein the main control unit judges whether the opening and closing assembly operates abnormally according to the working current.
Further, when the working current is higher than a first threshold current or lower than a second threshold current, the opening and closing assembly operates abnormally; wherein the first threshold current is higher than the second threshold current.
Further, still include: the counting unit is used for recording the opening and closing times of the opening and closing assembly and informing the main control module of completion of monitoring when the opening and closing times reach the preset times.
Further, when the opening and closing assembly operates abnormally, the counting unit records the current opening and closing times and feeds the current opening and closing times back to the main control unit.
The monitoring system further comprises a display unit connected with the main control unit, wherein the display unit is used for displaying the running state of the opening and closing assembly and sending out an alarm signal when the monitoring of the opening and closing assembly is completed and/or the running is abnormal.
Further, when the opening and closing assembly operates abnormally, the display unit sends out a first alarm signal to remind a worker to overhaul the opening and closing assembly;
when the monitoring of the opening and closing assembly is completed, the display unit sends a second alarm signal to remind workers of completing the monitoring.
Further, the detection unit is a current transformer, is arranged between the main control unit and the driving device, and feeds back the working current to the main control unit through a current feedback circuit.
Further, the display unit is a display screen with at least one indicator light, and the display screen sends out a first alarm signal or a second alarm signal by adjusting the light-emitting state of the indicator light.
The utility model also provides a range hood which comprises a smoke guide plate and an opening and closing assembly arranged on the smoke guide plate, wherein the range hood adopts the automatic opening and closing monitoring device to monitor the running state of the opening and closing assembly.
Furthermore, the opening and closing assembly comprises a push rod connected with a driving device, a driven rod connected with the push rod and a rotating mechanism connected with the driven rod and used for controlling the opening and closing of the smoke guide plate, and the driving device drives the push rod to move so as to control the opening and closing of the smoke guide plate.
Compared with the prior art, the utility model has at least the following beneficial effects:
the utility model detects the working current of the driving device through the detection unit, judges whether the opening and closing assembly operates abnormally according to the working current, replaces the process of manual operation judgment, improves the detection accuracy and reduces the personnel cost.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, 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 invention, 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 flow chart of a prior art manual test;
FIG. 2 is a flow chart of the detection of the present invention;
fig. 3 is a schematic circuit diagram of the automatic opening and closing monitoring device of the present invention.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
Thus, a feature indicated in this specification will serve to explain one of the features of one embodiment of the utility model, and does not imply that every embodiment of the utility model must have the stated feature. Further, it should be noted that this specification describes many features. Although some features may be combined to show a possible system design, these features may also be used in other combinations not explicitly described. Thus, the combinations illustrated are not intended to be limiting unless otherwise specified.
The principles and construction of the present invention will be described in detail below with reference to the drawings and examples.
The utility model provides an automatic opening and closing monitoring device, which is characterized in that a novel range hood is controlled to ensure product quality because problems of clamping stagnation, friction, noise and the like generated by long-time running of parts directly influence user experience, a prototype requires 30 seconds and 30 seconds for cycle test, and needs to regularly check abrasion conditions of a push rod, a driven rod, a rotating mechanism, a bolt and the like in a smoke guide plate assembly, needs to regularly and uninterruptedly perform opening and closing verification in 30 seconds and cycle, the process needs to be manually operated, errors exist in opening and closing time due to manual operation, and meanwhile, the test result is directly influenced by conditions of rest, alternation and the like of personnel. Not only saves labor cost, but also improves measurement precision.
Specifically, referring to fig. 3, the present invention includes:
a driving device: the opening and closing component is connected with the driving mechanism and is used for driving the opening and closing component to perform opening and closing movement;
the main control unit: the power supply is connected with a driving device after being connected with a working power supply, supplies power to the driving device and controls the driving device to operate;
a detection unit: the driving device is used for detecting the working current of the driving device and feeding back the working current to the main control unit.
The working process of the utility model is that the main control unit is powered on after being connected with a working power supply, when needing to enter the monitoring of the opening and closing assembly, the main control module supplies power to the driving device and controls the driving device to start running, the opening and closing assembly is driven to perform opening and closing movement when the driving device runs, meanwhile, the detection unit starts to detect the working current of the driving device and feeds the working current back to the main control unit, and the main control unit judges whether the opening and closing assembly runs abnormally according to the working current of the driving device.
Specifically, the driving device operates normally, when the opening and closing assembly is driven to move, the working current of the driving device is about 0.5A, when screws of all the components of the opening and closing assembly are broken, the working current of the driving device in an idle state is 0.2A, and when the resistance is overlarge due to excessive product friction among all the components of the opening and closing assembly, the working current of the driving device is 0.7A.
And when the working current is higher than the first threshold current or lower than the second threshold current, judging that the opening and closing assembly operates abnormally. In an embodiment of the utility model, the first threshold current is set to be 0.7A, the second threshold current is set to be 0.2A, when the working current is higher than the first threshold current, the friction of each product of the opening and closing assembly is judged to be excessive, and when the working current is lower than the second threshold current, the problem that each component of the opening and closing assembly has screw breakage is judged, and the maintenance is needed.
The device is characterized in that multiple opening and closing actions are required during testing, when the opening and closing times of the opening and closing assembly reach preset times and the running process is abnormal, monitoring is determined to be completed, in order to record the opening and closing times of the opening and closing assembly, the device is further provided with a sensor for detecting the opening and closing state of the opening and closing assembly and a counting unit connected with the sensor, the sensor can send a signal to the counting unit when the opening and closing assembly completes one opening and closing action, the counting unit records one opening and closing time after receiving the signal, 1 is added to the last opening and closing time when receiving one signal, and counting is stopped until the preset times are reached, and the main control module is informed of monitoring completion.
If in the test process, drive arrangement's operating current appears unusually, and when the main control unit affirmed the subassembly operation that opens and shuts unusually, the main control unit control drive arrangement stop operation, and then the subassembly stop work that opens and shuts is controlled, avoids the further emergence of trouble problem. At the moment, the counting unit stops counting, and feeds the currently recorded opening and closing times back to the main control unit, so that the fault degree of the opening and closing assembly can be judged according to the current opening and closing times, and in general, the more the opening and closing times are, the smaller the fault degree is,
preferably, referring to fig. 3, the utility model is further provided with a display device, the display device is used for displaying the operation state of the opening and closing assembly, so as to provide more visual experience for workers, and meanwhile, the opening and closing assembly is also used for sending an alarm signal when monitoring is completed and/or operation is abnormal, so as to remind the workers to maintain or stop monitoring.
According to the utility model, the display device is connected with the main control unit and supplies power through the main control unit, the main control unit can send the working current fed back by the detection unit to the display device for displaying, the display device can display the working current in real time, and according to the magnitude of the working current, a worker can visually know the running state of the opening and closing assembly.
Wherein, display device can be for the display screen that has at least one pilot lamp, through the running state of the subassembly that opens and shuts of pilot lamp concrete display, when the subassembly that opens and shuts normally works, the pilot lamp shows for green, when the subassembly work that opens and shuts is unusual, the pilot lamp shows for red, and it reminds staff to open and shut the subassembly work unusual as first alarm signal, and when the subassembly monitoring that opens and shuts was accomplished, the pilot lamp shows for yellow, and it reminds staff's monitoring completion as second alarm signal.
In other embodiments of the present invention, the display device may be provided with a plurality of indicator lights, each indicator light corresponds to a working state, the first indicator light corresponds to normal working, the second indicator light corresponds to abnormal working, and the third indicator light corresponds to completion of monitoring, and through the states corresponding to the indicator lights, the working state of the opening and closing assembly can be intuitively obtained by the working personnel.
Furthermore, the monitoring unit is a current transformer which is arranged between the main control unit and the driving device, and the current transformer can correspondingly generate an induced current and feed back the induced current to the main control unit through a current feedback circuit, so that the main control unit obtains the working current of the driving device.
Please refer to fig. 1, which is a flowchart of a prior art, and it requires manual operation, and it is timed by a stopwatch for 30s for one cycle, and then a counter is prepared to count 30000 times, and after 30000 times of opening and closing actions are manually completed, the monitoring is stopped, and after manual inspection, the monitoring process is completed. This in-process needs a large amount of manual operation, and whether there is the operation anomaly also to rely on the manual work completely to judge in the in-process that opens and shuts simultaneously, and the degree of accuracy of whole monitoring process is not high, and the cost of labor is higher simultaneously.
Referring to fig. 2, which is a flow chart of the present invention, it can be seen that, after the experiment, the present invention can complete the monitoring only by using 30000 opening and closing actions through the automatic opening and closing monitoring device without manual judgment and operation.
Compared with the prior art, the utility model provides an automatic monitoring device and a scheme, which replace a manual monitoring mode in the prior art, not only reduces the labor cost, but also improves the monitoring accuracy.
The utility model also provides a range hood which comprises a smoke guide plate and an opening and closing assembly arranged on the smoke guide plate, wherein the range hood adopts the automatic opening and closing monitoring device to monitor the running state of the opening and closing assembly.
Furthermore, the subassembly that opens and shuts includes catch bar, the driven lever that is connected with the catch bar that is connected with drive arrangement, is connected with the driven lever and is used for controlling the slewing mechanism that leads the cigarette board to open and shut, drive arrangement is through ordering about the catch bar motion, and then the subassembly that controls to open and shut accomplishes the action that opens and shuts, leads the cigarette board and opens and shuts.
The above examples are intended only to illustrate specific embodiments of the present invention. It should be noted that, for a person skilled in the art, several modifications and variations can be made without departing from the inventive concept, and these modifications and variations shall fall within the protective scope of the present invention.
Claims (10)
1. Automatic monitoring devices that opens and shuts, its characterized in that includes: the device comprises a driving device for driving the opening and closing assembly to move, a main control unit for supplying power to the driving device and controlling the driving device to operate, and a detection unit for detecting the working current of the driving device, wherein the main control unit judges whether the opening and closing assembly operates abnormally according to the working current.
2. The automatic opening and closing monitoring device according to claim 1, wherein when the working current is higher than a first threshold current or lower than a second threshold current, the opening and closing component operates abnormally; wherein the first threshold current is higher than the second threshold current.
3. The automatic opening and closing monitoring device of claim 1, further comprising: the counting unit is used for recording the opening and closing times of the opening and closing assembly and informing the main control unit of completion of monitoring when the opening and closing times reach the preset times.
4. The automatic opening and closing monitoring device according to claim 3, wherein when the opening and closing component operates abnormally, the counting unit records the current opening and closing times and feeds the current opening and closing times back to the main control unit.
5. The automatic opening and closing monitoring device according to claim 1, further comprising a display unit connected with the main control unit, wherein the display unit is used for displaying the running state of the opening and closing assembly and sending an alarm signal when the monitoring of the opening and closing assembly is completed and/or the running is abnormal.
6. The automatic opening and closing monitoring device according to claim 5, wherein when the opening and closing assembly operates abnormally, the display unit sends a first alarm signal to remind a worker to overhaul the opening and closing assembly;
when the monitoring of the opening and closing assembly is completed, the display unit sends a second alarm signal to remind workers of completing the monitoring.
7. The automatic opening and closing monitoring device according to claim 1, wherein the detection unit is a current transformer which is arranged between the main control unit and the driving device and feeds back the working current to the main control unit through a current feedback circuit.
8. The automatic opening and closing monitoring device as claimed in claim 6, wherein the display unit is a display screen with at least one indicator light, and the display screen sends out a first alarm signal or a second alarm signal by adjusting the light emitting state of the indicator light.
9. The range hood comprises a smoke guide plate and an opening and closing assembly arranged on the smoke guide plate, and is characterized in that the range hood adopts the automatic opening and closing monitoring device as claimed in any one of claims 1 to 8 to monitor the running state of the opening and closing assembly.
10. The range hood of claim 9, wherein the opening and closing assembly comprises a push rod connected to a driving device, a driven rod connected to the push rod, and a rotating mechanism connected to the driven rod for controlling the opening and closing of the smoke guide plate, and the driving device drives the push rod to move so as to control the opening and closing of the smoke guide plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121885587.0U CN215523458U (en) | 2021-08-12 | 2021-08-12 | Automatic opening and closing monitoring device and range hood |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121885587.0U CN215523458U (en) | 2021-08-12 | 2021-08-12 | Automatic opening and closing monitoring device and range hood |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215523458U true CN215523458U (en) | 2022-01-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121885587.0U Active CN215523458U (en) | 2021-08-12 | 2021-08-12 | Automatic opening and closing monitoring device and range hood |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215523458U (en) |
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2021
- 2021-08-12 CN CN202121885587.0U patent/CN215523458U/en active Active
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