CN211405922U - Low-temperature starting device of projector and projector - Google Patents
Low-temperature starting device of projector and projector Download PDFInfo
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- CN211405922U CN211405922U CN202020211013.4U CN202020211013U CN211405922U CN 211405922 U CN211405922 U CN 211405922U CN 202020211013 U CN202020211013 U CN 202020211013U CN 211405922 U CN211405922 U CN 211405922U
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Abstract
The utility model provides a projector low-temperature starting device and a projector, which relate to the field of projection equipment, wherein the projector low-temperature starting device comprises a central control module, a motor module and a temperature detection module, wherein the motor module and the temperature detection module are respectively connected with the central control module; the temperature detection module is configured to acquire temperature information and send the acquired temperature information to the central control module; the central control module group is configured to compare the temperature information with a preset temperature and control the motor rotating speed of the motor module group. The projector low-temperature starting device can accelerate the low-temperature starting speed of the motor, so that the rotating speed of the motor can quickly meet the starting requirement, and the technical problem that the projector cannot be normally started for use due to too low temperature, which causes the starting wheel of the projector to rotate too slowly in the prior art, is solved.
Description
Technical Field
The utility model belongs to the technical field of projection equipment technique and specifically relates to a projector low temperature starting drive and projector are related to.
Background
With the development of science and technology, various projectors are in sight of people, the normal operation of the projectors is inseparable from the ambient temperature, and the ambient temperature is also one of the key factors influencing the normal operation of the projectors.
At present, a projector inevitably faces working in a low-temperature environment and is influenced by the low-temperature environment, and particularly when the environmental temperature is too low, the projector has the condition of too low starting speed, so that when the projector is started, a motor stalls and cannot be started normally.
SUMMERY OF THE UTILITY MODEL
In view of this, an object of the present invention is to provide a low temperature starting apparatus for a projector and a projector, so as to alleviate the technical problem that the temperature existing in the prior art is too low to cause the rotation speed of the projector to be too slow, so that the projector cannot be normally started for use.
In a first aspect, an embodiment of the present invention provides a low-temperature start device for a projector, including a central control module, a motor module, and a temperature detection module, where the motor module and the temperature detection module are respectively connected to the central control module; the temperature detection module is configured to acquire temperature information and send the acquired temperature information to the central control module; the central control module group is configured to compare the temperature information with a preset temperature and control the motor speed of the motor module group.
With reference to the first aspect, an embodiment of the present invention provides a first possible implementation manner of the first aspect, wherein the temperature detection module includes a temperature sensor; the central control module comprises a single chip microcomputer.
In combination with the first aspect, an embodiment of the present invention provides a second possible implementation manner of the first aspect, wherein the central control module is configured to compare the temperature information sent by the temperature detection module with a preset temperature, and when the temperature information is smaller than the preset temperature, control the motor of the motor module to be turned on to reach a first rotation speed, and maintain the motor at the first rotation speed; the first rotating speed is a set rotating speed of the projector in a low-temperature standby state.
Combine the first aspect, the embodiment of the utility model provides a third possible implementation mode of the first aspect, wherein, well accuse module group is configured to with temperature information that the temperature detection module sent out compares with preset temperature, works as when temperature information is not less than preset temperature, control the motor speed of motor module is zero.
In combination with the first aspect, an embodiment of the present invention provides a fourth possible implementation manner of the first aspect, wherein, the central control module group is configured to control the motor speed of the motor module group to reach the second speed when receiving the start signal, and the second speed is the required speed of the projector start.
With reference to the foregoing first aspect and any possible implementation manner thereof, an embodiment of the present invention provides a fifth possible implementation manner of the first aspect, wherein the temperature information includes any one of: the temperature of the wavelength conversion device, the working environment temperature of the wavelength conversion device, the temperature of a motor module driving the wavelength conversion device to operate and the working environment temperature of the motor module driving the wavelength conversion device to operate; the wavelength conversion device includes at least one of a color wheel and a fluorescent wheel.
With reference to the first aspect, an embodiment of the present invention provides a sixth possible implementation manner of the first aspect, wherein the projector low-temperature starting apparatus further includes a low-temperature starting switch, and the low-temperature starting switch is configured to control the central control module to be turned on, so that the projector is in a low-temperature standby state.
With reference to the sixth possible implementation manner of the first aspect, an embodiment of the present invention provides a seventh possible implementation manner of the first aspect, wherein the low-temperature start switch is a function switch.
In a second aspect, an embodiment of the present invention provides a projector, including a wavelength conversion device and the projector low-temperature start device as described in any one of the foregoing embodiments, wherein the wavelength conversion device is connected to the projector low-temperature start device; the projector low-temperature starting device is configured to monitor the temperature of the wavelength conversion device and control the rotating speed of a motor driving the wavelength conversion device to operate.
In combination with the second aspect, an embodiment of the present invention provides a first possible implementation manner of the second aspect, wherein the projector further includes a storage module, and the storage module is configured to store data.
The utility model discloses following beneficial effect has been brought: the embodiment of the utility model provides a projector low temperature starting drive and projector, wherein, this projector low temperature starting drive includes well accuse module, motor module and temperature detection module, and motor module, temperature detection module are connected with well accuse module respectively; the temperature detection module is configured to acquire temperature information and send the acquired temperature information to the central control module; the central control module group is configured to compare the temperature information with a preset temperature and control the motor rotating speed of the motor module group. Therefore, the embodiment of the utility model provides a technical scheme can accelerate motor low temperature start speed for motor speed can reach the start demand fast, has alleviated the temperature that exists among the prior art and has crossed low speed and lead to the fast speed of projector start wheel to slow, makes the unable normal start technical problem who uses of projector.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of a first structure of a low-temperature start device of a projector according to an embodiment of the present invention;
fig. 2 is a second schematic structural diagram of a low-temperature start device of a projector according to an embodiment of the present invention;
fig. 3 is a flowchart of a low temperature method for a projector according to an embodiment of the present invention;
fig. 4 is a schematic view of a first structure of a projector according to an embodiment of the present invention;
fig. 5 is a schematic diagram of a second structure of the projector according to the embodiment of the present invention.
Icon: 101-a central control module; 102-a motor module; 103-temperature detection module; 104-low temperature start switch; 300-a wavelength conversion device; 400-projector low temperature starting device; 500-memory module.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "inside" and "outside" are used for indicating the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship that the utility model is usually placed when using, and are only for convenience of describing the present invention and simplifying the description, but not for indicating or implying that the device or element to be referred must have a specific position, be constructed and operated in a specific position, and thus should not be construed as limiting the present invention.
In the description of the present invention, it is also to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may for example be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Some embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The embodiments described below and the features of the embodiments can be combined with each other without conflict.
At present, a projector inevitably faces working in a low-temperature environment and is influenced by the low-temperature environment, particularly when the ambient temperature is too low, the rotating speed of a motor is 0 from cold start due to the influence of the temperature, the rotating speed required by the projector is reached for a long time, and therefore when a projector machine is on, the rotating speed of the motor does not reach the required rotating speed, and the projector machine is alarmed to be shut down; that is, in the prior art, the projector has a condition of too low starting speed, so that when the projector is started, the motor stalls and cannot be started normally.
Based on this, the embodiment of the utility model provides a projector low temperature starting drive and projector can alleviate and exist among the prior art the temperature and cross lowly lead to the fast slow of projector start wheel, make the unable normal problem of start use of projector, has improved adaptability and the reliability of projector to the environment.
In order to facilitate understanding of the present embodiment, a low temperature starting device for a projector disclosed in the embodiments of the present invention will be described in detail first.
Example one
As shown in fig. 1, an embodiment of the present invention provides a low temperature start device for a projector, including a central control module 101, a motor module 102, and a temperature detection module 103, where the motor module and the temperature detection module are respectively connected to the central control module; the temperature detection module is configured to acquire temperature information and send the acquired temperature information to the central control module; the central control module group is configured to compare the temperature information with a preset temperature and control the motor speed of the motor module group.
In some embodiments, the central control module group is configured to compare the temperature information sent by the temperature detection module group with a preset temperature, and when the temperature information is less than the preset temperature, control a motor of the motor module group to be started to reach a first rotating speed and maintain the motor at the first rotating speed; the first rotating speed is a set rotating speed of the projector in a low-temperature standby state.
For example, the central control module compares the obtained environment temperature of the motor module with a corresponding preset temperature, and when the environment temperature of the motor module is lower than the corresponding preset temperature, rated current is input to the motor, so that the motor maintains standby constant rotation;
in some embodiments, the central control module group is configured to compare the temperature information sent by the temperature detection module group with a preset temperature, and control the motor speed of the motor module group to be zero when the temperature information is not lower than the preset temperature.
Specifically, the central control module compares the temperature information with a preset temperature, and controls the motor speed of the motor module to be zero or controls the motor speed of the motor module to reach a set speed (for example, a first speed) according to the comparison result.
In some embodiments, the temperature detection module comprises a temperature sensor.
In some embodiments, the temperature sensor may employ a thermocouple or a thermistor.
In this embodiment, the temperature sensor employs a pt100 thermocouple.
In some embodiments, the central control module comprises a single chip microcomputer.
Specifically, in this embodiment, the 51-series single chip microcomputer integrated with the comparator is selected as the single chip microcomputer.
In some embodiments, the central control module comprises a low temperature resistant single chip microcomputer.
Specifically, the low-temperature-resistant single chip microcomputer can normally work at-30 ℃.
It should be understood that the central control module includes a comparator, and the temperature comparison can be realized by the comparator, which can refer to the prior art and is not described herein in detail.
In some embodiments, the central control module is configured to control a motor speed of the motor module to reach a second speed when receiving a start-up signal, where the second speed is a speed required for starting the projector.
The power-on signal may be sent by the user by pressing a power-on key of the remote controller or by pressing a power-on key on the projector.
Specifically, when the central control module receives a starting signal, the central control module controls the projector to exit from the low-temperature standby state, and controls the motor rotating speed of the motor module to reach a second rotating speed, so that the motor rotating speed of the motor module reaches the second rotating speed, and the second rotating speed is the rotating speed required by starting the projector.
It should be noted that the second rotation speed and the first rotation speed are preset according to the performance and requirement of the projector, and the first rotation speed is usually set to be 10% of the second rotation speed; for example, the second rotation speed is 1000 revolutions, and the first rotation speed is 100 revolutions.
In some embodiments, the temperature information comprises any one of: the temperature of the wavelength conversion device, the working environment temperature of the wavelength conversion device, the temperature of a motor module driving the wavelength conversion device to operate and the working environment temperature of the motor module driving the wavelength conversion device to operate; the wavelength conversion device includes at least one of a color wheel and a fluorescent wheel.
Specifically, the temperature information includes a temperature of the projector color wheel, a temperature of the projector fluorescent wheel, a temperature of the motor module corresponding to the projector color wheel, a temperature of the motor module corresponding to the projector fluorescent wheel, an ambient temperature of the motor module working corresponding to the projector color wheel, or an ambient temperature of the motor module working corresponding to the projector fluorescent wheel.
It should be understood that the range of temperature detection may be generally confirmed according to the structure, considering whether the structure of the projector is a single wheel or a double wheel.
It should be noted that the preset temperature corresponding to the temperature of the wavelength conversion device, the preset temperature corresponding to the working environment temperature of the wavelength conversion device, the preset temperature corresponding to the temperature of the motor module driving the wavelength conversion device to operate, and the preset temperature corresponding to the working environment temperature of the motor module driving the wavelength conversion device to operate may be set according to actual requirements, that is, the preset temperature corresponding to the temperature of the wavelength conversion device, the preset temperature corresponding to the working environment temperature of the wavelength conversion device, the preset temperature corresponding to the temperature of the motor module driving the wavelength conversion device to operate, and the preset temperature corresponding to the working environment temperature of the motor module driving the wavelength conversion device to operate may be the same or different, which is not limited in this embodiment.
In some embodiments, referring to fig. 2, the projector low-temperature starting apparatus may further include a low-temperature starting switch 104 configured to control the on of the central control module, so that the projector is in a low-temperature standby state.
The low-temperature starting switch is externally connected with a power supply which is used for providing electric energy for the central control module; through setting up the low temperature starting switch, after the low temperature starting switch opened, power supply could provide the electric energy for well accuse module, and well accuse module could supply power for other modules (for example temperature detection module), and the low temperature starting switch plays the effect of deciding whether the low temperature starts the function and opens promptly.
In some embodiments, the low temperature start switch is a function switch.
It should be noted that, in other embodiments, the low-temperature start switch may also be a physical button provided on the projector or a physical button on a remote control device of the projector.
The embodiment of the utility model provides a projector low temperature starting drive includes well accuse module, motor module and temperature detection module, motor module, temperature detection module are connected with well accuse module respectively; the temperature detection module is configured to acquire temperature information and send the acquired temperature information to the central control module; the central control module group is configured to compare the temperature information with a preset temperature and control the motor rotating speed of the motor module group. Therefore, the embodiment of the utility model provides a technical scheme can accelerate motor low temperature start-up speed, can be under the standby, and control motor maintains certain rotational speed for motor speed can reach the start demand fast, ensures before the machine is lighted or when the light, and motor speed reaches the start requirement, has alleviated the temperature that exists among the prior art and has crossed the speed of the projector start wheel slow excessively that leads to excessively, and motor stall makes the unable normal start technical problem of use of projector.
Referring to fig. 3, the present embodiment further provides a projector low-temperature starting method executed by the projector low-temperature starting apparatus, where the method includes:
step 301, detecting the working environment temperature of a motor module;
specifically, the temperature detection module detects the working environment temperature of the motor module and sends the environment temperature to the central control module;
the motor module here may include at least one of a motor module corresponding to the color wheel or a motor module corresponding to the fluorescent wheel.
Step 302, judging whether the environmental temperature is lower than a preset temperature;
specifically, the central control module compares the ambient temperature with a corresponding preset temperature, and judges whether the ambient temperature is lower than the preset temperature.
If yes, executing step S303, if no, executing step S304;
step S303, the motor is started and a certain rotation speed is maintained.
Specifically, the ambient temperature is lower than the preset temperature, the temperature detection module feeds back to the central control module, the central control module starts the motor and supplies the motor with rated current, and therefore the motor is kept in standby and constant rotation.
And step S304, controlling the rotating speed of the standby motor to be zero.
Specifically, the ambient temperature is not lower than the preset temperature, the temperature detection module feeds back to the central control module, and the central control module controls the rotating speed of the standby motor to be zero.
Example two
Aiming at the situation that the projector can be used in different seasons and different places and can be exposed to low-temperature environment temperature, the motors of the wavelength conversion devices such as the color wheel and the fluorescent wheel of the projector are limited by temperature, and the starting speed is too low at low temperature, so that the motors stall and cannot be normally started for use when the projector is started. Based on this, the present embodiment provides a projector.
Referring to fig. 4, a projector according to an embodiment of the present invention includes a wavelength conversion device 300 and a projector low-temperature start device 400 as described in the foregoing embodiment, where the wavelength conversion device is connected to the projector low-temperature start device; the projector low-temperature starting device is configured to monitor the temperature of the wavelength conversion device and control the rotating speed of a motor driving the wavelength conversion device to operate.
Specifically, the wavelength conversion device is connected with a motor module of the projector low-temperature starting device through a motor connected with the wavelength conversion device; the projector low-temperature starting device is configured to monitor the temperature of the wavelength conversion device or the working temperature of the wavelength conversion device and control the motor rotating speed of a motor driving the wavelength conversion device to operate.
In an optional embodiment, the projector further comprises a storage module configured to store data.
The data includes monitored temperature data, logs, preset temperatures, and the like.
In an alternative embodiment, the storage module includes a memory, and the memory may include: flash, a usb disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk, an optical disk, and other various media capable of storing data.
In an optional implementation manner, the storage module may be connected to at least one of the central control module and the temperature detection module, and the storage module may store the ambient temperature of the projector wavelength conversion device obtained by the temperature detection module, and may issue the corresponding preset temperature to a memory of a single chip in the central control module, so that the central control module may perform calling and comparison and determination.
Referring to fig. 5, the projector includes a storage module 500, a wavelength conversion device 300, and a projector low-temperature start device, wherein the projector low-temperature start device includes a central control module 101, a motor module 102, and a temperature detection module 103, the motor module 102 and the temperature detection module 103 are respectively connected to the central control module 101, and the wavelength conversion device 300 is connected to the motor module 102; the storage module 500 is connected to the central control module 101 and the temperature detection module 103, respectively.
The low-temperature starting method of the projector will be briefly described as follows:
the projector software has the function of starting the low-temperature starting function (namely, the low-temperature starting switch) by turning on the application switch set by the low-temperature starting function, and the application switch set by the low-temperature starting function is turned on, so that the central control chip and the temperature detection module are always in a working state when being electrified and standby; the temperature detection module connected with the central control module of the projector feeds back the working environment temperature of the motor module to the central control module in real time; when the working environment temperature of the motor module is lower than the preset temperature of the storage module, the central control module inputs rated current to the motor according to the obtained environment temperature of the motor module, so that the motor is kept in a standby state and is rotated constantly; when a starting signal is received, the central control module exits the low-temperature motor detection mode, and the motor which is in standby and constant rotation can quickly reach the rotating speed required by starting the projector, so that the function of quick starting at low temperature is achieved.
In summary, the projector provided in this embodiment can be normally started at a low temperature, so that the projector can be normally used at different environmental temperatures. Wherein this projector has following characteristics: the projector function menu has a motor standby constant rotation function option; the temperature detection module detects the ambient temperature around the color wheel and the fluorescent wheel; the central control module adjusts the rotating speed of the standby motor according to the temperature detection value, and can be started normally to enable the projector to work normally in a low-temperature environment.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (10)
1. A low-temperature starting device of a projector is characterized by comprising a central control module, a motor module and a temperature detection module, wherein the motor module and the temperature detection module are respectively connected with the central control module; the temperature detection module is configured to acquire temperature information and send the acquired temperature information to the central control module; the central control module group is configured to compare the temperature information with a preset temperature and control the motor speed of the motor module group.
2. The low-temperature starting device for the projector according to claim 1, wherein the temperature detection module comprises a temperature sensor; the central control module comprises a single chip microcomputer.
3. The low-temperature starting device of claim 1, wherein the central control module is configured to compare the temperature information sent by the temperature detection module with a preset temperature, and when the temperature information is less than the preset temperature, control the motor of the motor module to start up to a first rotation speed and maintain the motor at the first rotation speed; the first rotating speed is a set rotating speed of the projector in a low-temperature standby state.
4. The low-temperature start device of a projector as claimed in claim 1, wherein the central control module is configured to compare the temperature information sent from the temperature detection module with a preset temperature, and control the motor speed of the motor module to be zero when the temperature information is not lower than the preset temperature.
5. The low-temperature start device of claim 3, wherein the central control module is configured to control a motor speed of the motor module to reach a second speed when receiving a start-up signal, and the second speed is a speed required for starting the projector.
6. The low-temperature start device of the projector according to any one of claims 1 to 5, wherein the temperature information includes any one of: the temperature of the wavelength conversion device, the working environment temperature of the wavelength conversion device, the temperature of a motor module driving the wavelength conversion device to operate and the working environment temperature of the motor module driving the wavelength conversion device to operate; the wavelength conversion device includes at least one of a color wheel and a fluorescent wheel.
7. The projector low-temperature starting device as claimed in claim 1, further comprising a low-temperature starting switch configured to control the on of the central control module so as to enable the projector to be in a low-temperature standby state.
8. The low-temperature start device for the projector as claimed in claim 7, wherein the low-temperature start switch is a function switch.
9. A projector comprising a wavelength conversion device and a projector low-temperature starting device according to any one of claims 1 to 8, wherein the wavelength conversion device is connected with the projector low-temperature starting device; the projector low-temperature starting device is configured to monitor the temperature of the wavelength conversion device and control the rotating speed of a motor driving the wavelength conversion device to operate.
10. The projector of claim 9, further comprising a storage module configured to store data.
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| CN202020211013.4U CN211405922U (en) | 2020-02-25 | 2020-02-25 | Low-temperature starting device of projector and projector |
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| CN202020211013.4U CN211405922U (en) | 2020-02-25 | 2020-02-25 | Low-temperature starting device of projector and projector |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114460988A (en) * | 2022-03-07 | 2022-05-10 | 重庆紫光华山智安科技有限公司 | Temperature control method, device, equipment and storage medium |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114460988A (en) * | 2022-03-07 | 2022-05-10 | 重庆紫光华山智安科技有限公司 | Temperature control method, device, equipment and storage medium |
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