Auxiliary system for equatorial telescope and equatorial telescope comprising same

Abstract

The invention provides an auxiliary system for an equatorial telescope and the equatorial telescope comprising the same. The auxiliary system comprises an acceleration measurement unit used for detecting the linear acceleration and the angular acceleration of the equatorial telescope; the magnetic field measuring unit is used for detecting the magnetic field intensity and direction of the space where the equatorial telescope is located; the processing unit is used for responding to an input auxiliary antipolar axis instruction, transmitting the magnetic azimuth angle obtained from the magnetic field measuring unit to a user, and transmitting the pitch angle obtained from the acceleration measuring unit to the user. The magnetic azimuth angle is used for determining the azimuth angle of the equatorial telescope together with the geomagnetic declination angle of the position where the equatorial telescope is located, and the pitch angle is used for determining the elevation angle of the equatorial telescope. The equatorial telescope comprises the auxiliary system. According to the invention, the problems of high operation difficulty and long time consumption caused by observation of target celestial bodies near the south and north celestial poles in the epipolar axis method of the existing equatorial telescope can be solved.

Description

Technical Field

[0001] The present invention belongs to the technical field of equatorial mount auxiliary equipment, and more specifically, relates to an auxiliary system for an equatorial mount and an equatorial mount comprising the same. Background Art

[0002] Equatorial mounts are widely used in astronomical observation and star photography. Due to the rotation and revolution of the earth, the position of celestial bodies in the sky is constantly changing. Equatorial mounts can track the movement of celestial bodies by rotating their polar axis, so that telescopes, cameras or other observation and recording equipment maintain a constant angle with the celestial body, thereby achieving tracking, observation and recording of moving celestial bodies.

[0003] Before the equatorial mount is put into use, polar axis alignment is an important preparation operation. Polar axis alignment is to adjust the azimuth and altitude of the equatorial mount so that the polar axis of the equatorial mount is parallel to the axis of the earth and accurately points to the north celestial pole or the south celestial pole. The purpose is to make the coordinate system of the equatorial mount consistent with the coordinate system of the earth.

[0004] The existing polar axis alignment methods of the equatorial mount mainly include polar axis telescope alignment, drift method, star pointer alignment, astronomical software and polar axis calibration tools (such as electronic polar axis scope). However, although these polar axis alignment methods can achieve the polar axis alignment of the equatorial mount, they still have the following shortcomings:

[0005] The drift method is very cumbersome to operate, requiring users to have more astronomical knowledge, and polar alignment takes a long time; polar telescope alignment and star pointer alignment also require users to find the corresponding celestial bodies near the north and south celestial poles by themselves, requiring users to have certain astronomical knowledge, especially in the southern hemisphere, the brightness of the stars near the south celestial pole that observers need to find is low, making observation difficult, and there is still a certain error between the stars near the north and south celestial poles and the true celestial poles, which needs to be corrected; the use of astronomical software and polar calibration tools requires the addition of image acquisition and processing systems, which are large in size, high in cost, and cumbersome to use; during the polar alignment process of the star pointer, the laser beam is set to shoot into the air, which is easy to interfere with other people's shooting. In addition, all of the above methods require good weather conditions and less light pollution, which makes it almost impossible to align the polar axis before sunset (partly considering the time-lapse photography of the starry sky that alternates between day and night or tracking the sun during the day), or when the target celestial body used for polar alignment is blocked by clouds, or in scenes with narrow field of view such as valleys and indoors. Summary of the invention

[0006] The purpose of the present invention is to solve the problem that the polar axis method of the existing equatorial mount is difficult to operate and time-consuming because it involves observing target celestial bodies near the north and south celestial poles.

[0007] In order to achieve the above-mentioned object, the present invention provides the following equatorial mount auxiliary system and an equatorial mount including the same.

[0008] According to a first aspect of the present invention, there is provided an auxiliary system for an equatorial mount, comprising:

[0009] An acceleration measurement unit, used to detect the linear acceleration and angular acceleration of the equatorial mount;

[0010] A magnetic field measuring unit, used to detect the strength and direction of the magnetic field in the space where the equatorial mount is located;

[0011] A processing unit is used for transmitting the magnetic azimuth angle obtained from the magnetic field measurement unit to the user in response to the input auxiliary polar axis instruction, and transmitting the pitch angle obtained from the acceleration measurement unit to the user, wherein the magnetic azimuth angle is used to determine the azimuth angle of the equatorial mount together with the geomagnetic declination angle of the location of the equatorial mount, and the pitch angle is used to determine the altitude angle of the equatorial mount.

[0012] Optionally, the processing unit is further configured to:

[0013] In response to the input polar axis monitoring instruction, the current magnetic azimuth angle is used as the reference magnetic azimuth angle, and the current pitch angle is used as the reference pitch angle. If it is monitored that the deviation value of the subsequently acquired magnetic azimuth angle relative to the reference magnetic azimuth angle reaches a first deviation value or the deviation value of the subsequently acquired pitch angle relative to the reference pitch angle reaches a second deviation value, a prompt message for re-aligning the polar axis is passed to the user.

[0014] Optionally, the processing unit is further configured to:

[0015] In the process of monitoring the deviation value of the subsequently acquired magnetic azimuth angle relative to the reference magnetic azimuth angle, determine whether the magnetic field measurement unit is disturbed by the external magnetic field based on the change of the magnetic azimuth angle. If so, integrate the most recent magnetic azimuth angle before the magnetic field measurement unit is not disturbed by the external magnetic field and the magnetic azimuth acceleration value obtained from the acceleration measurement unit to determine the current magnetic azimuth angle.

[0016] Optionally, the processing unit is further configured to:

[0017] In response to the input collision detection instruction, it is determined whether the equatorial mount has collided based on the acceleration information obtained from the acceleration measurement unit, and if so, collision warning information is transmitted to the user.

[0018] Optionally, the auxiliary polar axis instruction comes from the user's smart terminal, and the smart terminal is further used to receive the magnetic azimuth angle and the pitch angle;

[0019] or,

[0020] The processing unit comprises:

[0021] An input subunit, used for converting the user's contact operation thereon into the auxiliary polar axis instruction;

[0022] The output subunit is used to display the magnetic azimuth angle and the pitch angle.

[0023] According to a second aspect of the present invention, there is provided another auxiliary system for an equatorial mount, comprising:

[0024] An acceleration measurement unit, used to detect the linear acceleration and angular acceleration of the equatorial mount;

[0025] A magnetic field measuring unit, used to detect the strength and direction of the magnetic field in the space where the equatorial mount is located;

[0026] A GPS positioning unit, used to obtain the longitude and latitude information of the location of the equatorial mount;

[0027] a processing unit, configured to respond to the input auxiliary polar axis instruction, obtain the magnetic azimuth angle through the magnetic field measurement unit, obtain the longitude and latitude information through the GPS positioning unit, determine the geomagnetic declination angle according to the longitude and latitude information, determine the azimuth angle of the equatorial mount according to the magnetic azimuth angle and the geomagnetic declination angle, and transmit the azimuth angle of the equatorial mount to the user,

[0028] And, the pitch angle is acquired through the acceleration measurement unit, the altitude angle of the equatorial mount is determined according to the pitch angle, and the altitude angle is transmitted to the user.

[0029] Optionally, the processing unit is further configured to:

[0030] In response to the input polar axis monitoring instruction, the current magnetic azimuth angle is used as the reference magnetic azimuth angle, and the current pitch angle is used as the reference pitch angle. If it is monitored that the deviation value of the subsequently acquired magnetic azimuth angle relative to the reference magnetic azimuth angle reaches a third deviation value or the deviation value of the subsequently acquired pitch angle relative to the reference pitch angle reaches a fourth deviation value, a prompt message for re-aligning the polar axis is transmitted to the user;

[0031] or,

[0032] In response to the input polar axis monitoring instruction, the current equatorial mount azimuth angle is used as the reference equatorial mount azimuth angle, and the current equatorial mount altitude angle is used as the reference equatorial mount altitude angle. If it is monitored that the deviation value of the subsequently determined equatorial mount azimuth angle relative to the reference equatorial mount azimuth angle reaches a fifth deviation value or the deviation value of the subsequently determined equatorial mount altitude angle relative to the reference equatorial mount altitude angle reaches a sixth deviation value, a prompt message for re-aligning the polar axis is delivered to the user.

[0033] Optionally, the processing unit is further configured to:

[0034] In response to the input collision detection instruction, it is determined whether the equatorial mount has collided based on the acceleration information obtained from the acceleration measurement unit, and if so, collision warning information is transmitted to the user.

[0035] According to a third aspect of the present invention, there is provided another auxiliary system for an equatorial mount, comprising:

[0036] An acceleration measurement unit, used to detect the linear acceleration and angular acceleration of the equatorial mount;

[0037] A magnetic field measuring unit, used to detect the strength and direction of the magnetic field in the space where the equatorial mount is located;

[0038] A GPS positioning unit, used to obtain the longitude and latitude information of the location of the equatorial mount;

[0039] A processing unit is used to respond to the input auxiliary polar axis instruction, obtain the magnetic azimuth angle through the magnetic field measurement unit, obtain the longitude and latitude information through the GPS positioning unit, determine the geomagnetic declination angle according to the longitude and latitude information, determine the azimuth angle of the equatorial mount according to the magnetic azimuth angle and the geomagnetic declination angle, generate and output an azimuth adjustment signal according to the azimuth angle of the equatorial mount, and the azimuth adjustment signal is used to adjust the azimuth of the equatorial mount to align with due north or due south,

[0040] And, the pitch angle is obtained through the acceleration measurement unit, the altitude angle of the equatorial mount is determined according to the pitch angle, and an altitude adjustment signal is generated and output according to the altitude angle of the equatorial mount, and the altitude adjustment signal is used to adjust the altitude angle of the equatorial mount to be the same as the latitude of the location of the equatorial mount.

[0041] Optionally, the processing unit is further configured to:

[0042] In response to the input polar axis monitoring instruction, the current equatorial mount azimuth angle is used as the reference equatorial mount azimuth angle, the current equatorial mount altitude angle is used as the reference equatorial mount altitude angle, and when it is monitored that the deviation value of the subsequently determined equatorial mount azimuth angle relative to the reference equatorial mount azimuth angle reaches a seventh deviation value, an azimuth adjustment signal is generated and output; and when it is monitored that the deviation value of the subsequently determined equatorial mount altitude angle relative to the reference equatorial mount altitude angle reaches an eighth deviation value, an altitude adjustment signal is generated and output.

[0043] According to a fourth aspect of the present invention, there is provided an equatorial mount, comprising an equatorial mount body and any one of the above-mentioned auxiliary systems for the equatorial mount.

[0044] The beneficial effects of the present invention are:

[0045] In the auxiliary system for the equatorial mount of the present invention, after the user inputs the auxiliary polar axis instruction, the processing unit feeds back the magnetic azimuth angle and the pitch angle to the user, and the user determines the azimuth angle of the equatorial mount according to the magnetic azimuth angle and the pre-acquired geomagnetic declination angle of the location where the equatorial mount is located, and determines the altitude angle of the equatorial mount according to the pitch angle. After determining the current azimuth angle and the current altitude angle of the equatorial mount, the user adjusts the azimuth angle of the equatorial mount to align with due north or due south, and adjusts the altitude angle of the equatorial mount to be the same as the latitude of the location where the equatorial mount is located, so as to realize the polar axis operation of the equatorial mount.

[0046] Based on the above, it can be seen that in the process of using the equatorial mount auxiliary system of the present invention to perform polar axis operation of the equatorial mount, there is no need for the user to observe the target celestial bodies near the north and south celestial poles, and the corresponding polar axis operation is less difficult and less time-consuming.

[0047] Other features and advantages of the present invention will be described in detail in the following detailed description. BRIEF DESCRIPTION OF THE DRAWINGS

[0048] The present invention may be better understood by referring to the following description taken in conjunction with the accompanying drawings, in which the same or similar reference numerals are used throughout the drawings to represent the same or similar components.

[0049] Figure 1 A principle block diagram of an auxiliary system for an equatorial mount according to an embodiment of the present invention is shown;

[0050] Figure 2 Another principle block diagram of an auxiliary system for an equatorial mount according to an embodiment of the present invention is shown;

[0051] Figure 3 Another principle block diagram of an auxiliary system for an equatorial mount according to an embodiment of the present invention is shown;

[0052] Figure 4 Another principle block diagram of an auxiliary system for an equatorial mount according to an embodiment of the present invention is shown. DETAILED DESCRIPTION

[0053] In order to enable those skilled in the art to more fully understand the technical solution of the present invention, the exemplary embodiments of the present invention will be described in more comprehensive and detailed in conjunction with the accompanying drawings below. Obviously, the one or more embodiments of the present invention described below are only one or more of the specific ways in which the technical solution of the present invention can be implemented, and are not exhaustive. It should be understood that other ways belonging to a general inventive concept can be used to implement the technical solution of the present invention, and should not be limited by the exemplary embodiments described. Based on one or more embodiments of the present invention, all other embodiments obtained by ordinary technicians in the field without making creative work should fall within the scope of protection of the present invention.

[0054] Example: Figure 1 A principle block diagram of an auxiliary system for an equatorial mount according to an embodiment of the present invention is shown. Figure 1 , the equatorial mount auxiliary system of the embodiment of the present invention comprises:

[0055] An acceleration measurement unit, used to detect the linear acceleration and angular acceleration of the equatorial mount;

[0056] A magnetic field measurement unit, used to detect the strength and direction of the magnetic field in the space where the equatorial mount is located;

[0057] The processing unit is used for transmitting the magnetic azimuth angle obtained from the magnetic field measurement unit to the user in response to the input auxiliary polar axis instruction, and transmitting the pitch angle obtained from the acceleration measurement unit to the user, the magnetic azimuth angle is used to determine the azimuth angle of the equatorial mount together with the geomagnetic declination angle of the equatorial mount, and the pitch angle is used to determine the altitude angle of the equatorial mount.

[0058] Specifically, in the embodiment of the present invention, the acceleration measurement unit is implemented by a six-axis acceleration sensor, which is a combination of a three-axis gyroscope and a three-axis accelerometer. The magnetic field measurement unit can be a single three-axis magnetic field sensor or a magnetic field sensing array composed of multiple three-axis magnetic field sensors.

[0059] Specifically, in an embodiment of the present invention, after the user inputs the auxiliary polar axis instruction, the processing unit feeds back the magnetic azimuth angle and the pitch angle to the user, and the user determines the azimuth angle of the equatorial mount according to the magnetic azimuth angle and the pre-acquired geomagnetic declination angle of the location of the equatorial mount, and determines the altitude angle of the equatorial mount according to the pitch angle. After determining the current azimuth angle and the current altitude angle of the equatorial mount, the user adjusts the azimuth angle of the equatorial mount to align with due north (in the northern hemisphere) or due south (in the southern hemisphere), and adjusts the altitude angle of the equatorial mount to the same latitude as the location of the equatorial mount, thereby realizing the polar axis operation of the equatorial mount. Among them, the geomagnetic declination angle of the location of the equatorial mount is determined based on the longitude and latitude of the location of the equatorial mount.

[0060] During the polar axis operation, users do not need to observe the stars in the sky, and are not affected by weather conditions, light pollution, and surrounding occlusion, which greatly facilitates user use. During the polar axis operation, no laser is emitted to the outside, which will not affect others.

[0061] Furthermore, in the embodiment of the present invention, the processing unit is also used for:

[0062] In response to the input polar axis monitoring instruction, the current magnetic azimuth angle is used as the reference magnetic azimuth angle, and the current pitch angle is used as the reference pitch angle. If it is monitored that the deviation value of the subsequently acquired magnetic azimuth angle relative to the reference magnetic azimuth angle reaches a first deviation value or the deviation value of the subsequently acquired pitch angle relative to the reference pitch angle reaches a second deviation value, the polar axis prompt information will be re-delivered to the user.

[0063] Specifically, the auxiliary system for the equatorial mount of the embodiment of the present invention has a polar axis deviation monitoring function. After the user completes the polar axis operation, the user can input a polar axis monitoring instruction to the processing unit, and the processing unit locks the magnetic azimuth angle and the pitch angle in the polar axis alignment state in response to the polar axis monitoring instruction, that is, the magnetic azimuth angle at this time is used as the reference magnetic azimuth angle, and the pitch angle at this time is used as the reference pitch angle. If the deviation value of the subsequently acquired magnetic azimuth angle relative to the reference magnetic azimuth angle reaches a first deviation value or the deviation value of the subsequently acquired pitch angle relative to the reference pitch angle reaches a second deviation value, it means that the polar axis needs to be re-aligned, and the processing unit reminds the user to re-align the polar axis.

[0064] The polar axis deviation monitoring function of the auxiliary system for the equatorial mount in the embodiment of the present invention can eliminate the impact of accidental polar axis deviation caused by situations such as accidental collision with a camera or telescope, people or wild animals, and slow collapse of non-hardened ground on user observation and shooting, thereby improving the success rate of user observation and shooting.

[0065] Furthermore, in the embodiment of the present invention, the processing unit is further configured to:

[0066] In the process of monitoring the deviation value of the subsequently obtained magnetic azimuth angle relative to the reference magnetic azimuth angle, it is determined whether the magnetic field measurement unit is disturbed by the external magnetic field based on the change of the magnetic azimuth angle. If so, the most recent magnetic azimuth angle before the magnetic field measurement unit is not disturbed by the external magnetic field and the magnetic azimuth acceleration value obtained from the acceleration measurement unit are integrated to determine the current magnetic azimuth angle.

[0067] Specifically, in the process of the equatorial mount auxiliary system of the embodiment of the present invention performing the polar axis deviation monitoring task, if the location of the equatorial mount is disturbed by the external magnetic field, the magnetic field strength and / or magnetic field direction collected by the magnetic field measurement unit will change irregularly, and the processing unit can determine the presence of an interfering magnetic field based on the change in the magnetic azimuth angle. In this case, the processing unit integrates the most recent magnetic azimuth angle before being disturbed by the external magnetic field and the magnetic azimuth acceleration value obtained from the acceleration measurement unit to determine the current magnetic azimuth angle, thereby normally realizing the polar axis deviation monitoring function.

[0068] Furthermore, in the embodiment of the present invention, the processing unit is further configured to:

[0069] In response to the input collision detection instruction, it is determined whether the equatorial mount has collided based on the acceleration information obtained from the acceleration measurement unit, and if so, collision warning information is transmitted to the user.

[0070] Specifically, the auxiliary system for the equatorial mount of the embodiment of the present invention has a collision monitoring function. When the main axis of the equatorial mount starts to rotate, the user inputs a collision detection instruction to the processing unit. In the subsequent collision monitoring process, the processing unit determines whether the equatorial mount is subjected to a large instantaneous impact based on the instantaneous acceleration information provided by the acceleration measurement unit. These instantaneous impacts include wind loads and accidental collisions. Once the instantaneous impact exceeds the threshold, the processing unit will remind the user that a large collision has occurred during the use of the equatorial mount, which may affect the quality of shooting or observation. The collision monitoring function of the auxiliary system for the equatorial mount of the embodiment of the present invention allows the user to check the shooting or observation results in time after each shooting or observation, and determine whether re-observation or shooting is required, thereby avoiding the impact of unexpected vibrations on the final results.

[0071] Specifically, in the embodiment of the present invention, the polar axis deviation monitoring function and the collision monitoring function of the equatorial mount auxiliary system are independent functions. Slow and long-term polar axis deviation may not trigger collision monitoring, but will eventually lead to excessive polar axis deviation and shooting failure; some collisions that exceed the collision monitoring threshold may not necessarily cause significant polar axis deviation.

[0072] Furthermore, in an embodiment of the present invention, the auxiliary polar axis instruction comes from the user's smart terminal, and the smart terminal is also used to receive the magnetic azimuth angle and the pitch angle.

[0073] Specifically, in the embodiment of the present invention, the processing unit interacts with the user's smart terminal. The processing unit receives auxiliary polar axis instructions, polar axis monitoring instructions, and collision detection instructions from the user's smart terminal, and the user's smart terminal receives magnetic azimuth angle, pitch angle, re-polar axis prompt information, and collision warning information from the processing unit. The smart terminal is a device that can wirelessly communicate with the processing unit, such as a mobile phone or a remote control with a display screen.

[0074] Figure 2 Another principle block diagram of the auxiliary system for the equatorial mount according to an embodiment of the present invention is shown. Figure 2 As an optional implementation, in the embodiment of the present invention, the processing unit includes a processing subunit, an input subunit and an output subunit;

[0075] The processing subunit, as the functional body of the processing unit, performs the main computing functions;

[0076] The input subunit is used to convert the user's contact operation thereon into auxiliary polar axis instructions, polar axis monitoring instructions and collision detection instructions;

[0077] The output subunit is used to display the magnetic azimuth angle, pitch angle, prompt information for re-aligning the polar axis and collision warning information.

[0078] Specifically, in the embodiment of the present invention, the output subunit displays the prompt information of re-aligning the polar axis and the collision warning information in situ, and also performs an audible and visual alarm.

[0079] Figure 3 Another principle block diagram of the auxiliary system for the equatorial mount according to an embodiment of the present invention is shown. Figure 3 As an optional implementation, the equatorial mount auxiliary system of the embodiment of the present invention includes:

[0080] An acceleration measurement unit, used to detect the linear acceleration and angular acceleration of the equatorial mount;

[0081] A magnetic field measurement unit, used to detect the strength and direction of the magnetic field in the space where the equatorial mount is located;

[0082] GPS positioning unit, used to obtain the longitude and latitude information of the equatorial mount;

[0083] a processing unit, configured to respond to the input auxiliary polar axis instruction, obtain the magnetic azimuth angle through the magnetic field measurement unit, obtain the longitude and latitude information through the GPS positioning unit, determine the geomagnetic declination angle according to the longitude and latitude information, determine the azimuth angle of the equatorial mount according to the magnetic azimuth angle and the geomagnetic declination angle, and transmit the azimuth angle of the equatorial mount to the user,

[0084] And, the pitch angle is obtained through the acceleration measurement unit, the altitude angle of the equatorial mount is determined according to the pitch angle, and the altitude angle is transmitted to the user.

[0085] Specifically, in an embodiment of the present invention, after the user inputs an auxiliary polar axis instruction, the processing unit can directly feedback the azimuth angle of the equatorial mount and the altitude angle of the equatorial mount to the user. After obtaining the current azimuth angle and the current altitude angle of the equatorial mount, the user adjusts the azimuth angle of the equatorial mount to align with due north or due south, and adjusts the altitude angle of the equatorial mount to be the same as the latitude of the location of the equatorial mount, thereby realizing the polar axis operation of the equatorial mount.

[0086] Furthermore, in the embodiment of the present invention, the processing unit is also used for:

[0087] In response to the input polar axis monitoring instruction, the current magnetic azimuth angle is used as the reference magnetic azimuth angle, and the current pitch angle is used as the reference pitch angle. If it is monitored that the deviation value of the subsequently acquired magnetic azimuth angle relative to the reference magnetic azimuth angle reaches a third deviation value or the deviation value of the subsequently acquired pitch angle relative to the reference pitch angle reaches a fourth deviation value, a prompt message of re-aligning the polar axis is transmitted to the user;

[0088] or,

[0089] In response to the input polar axis monitoring instruction, the current equatorial mount azimuth angle is used as the reference equatorial mount azimuth angle, and the current equatorial mount altitude angle is used as the reference equatorial mount altitude angle. If it is monitored that the deviation value of the subsequently determined equatorial mount azimuth angle relative to the reference equatorial mount azimuth angle reaches the fifth deviation value or the deviation value of the subsequently determined equatorial mount altitude angle relative to the reference equatorial mount altitude angle reaches the sixth deviation value, a prompt message for re-aligning the polar axis is delivered to the user.

[0090] Specifically, in an embodiment of the present invention, in the process of realizing the polar axis deviation monitoring function by the auxiliary system of the equatorial mount, the azimuth angle and the altitude angle of the equatorial mount can be monitored to directly determine whether the polar axis of the equatorial mount is deviated, and the magnetic azimuth angle and the pitch angle can be monitored to indirectly determine whether the polar axis of the equatorial mount is deviated.

[0091] Figure 4Another principle block diagram of the auxiliary system for the equatorial mount according to an embodiment of the present invention is shown. Figure 4 As an optional implementation, the auxiliary system for the equatorial mount of the embodiment of the present invention includes:

[0092] An acceleration measurement unit, used to detect the linear acceleration and angular acceleration of the equatorial mount;

[0093] A magnetic field measurement unit, used to detect the strength and direction of the magnetic field in the space where the equatorial mount is located;

[0094] GPS positioning unit, used to obtain the longitude and latitude information of the equatorial mount;

[0095] The processing unit is used to respond to the input auxiliary polar axis instruction, obtain the magnetic azimuth angle through the magnetic field measurement unit, obtain the longitude and latitude information through the GPS positioning unit, determine the geomagnetic declination angle according to the longitude and latitude information, determine the azimuth angle of the equatorial mount according to the magnetic azimuth angle and the geomagnetic declination angle, generate and output an azimuth adjustment signal according to the azimuth angle of the equatorial mount, and the azimuth adjustment signal is used to adjust the azimuth angle of the equatorial mount to align with due north or due south,

[0096] And, the pitch angle is obtained through the acceleration measurement unit, the altitude angle of the equatorial mount is determined according to the pitch angle, and an altitude adjustment signal is generated and output according to the altitude angle of the equatorial mount, and the altitude adjustment signal is used to adjust the altitude angle of the equatorial mount to the same latitude as the location of the equatorial mount.

[0097] Specifically, in an embodiment of the present invention, after the user inputs an auxiliary polar axis instruction, the processing unit can obtain the current azimuth angle and the current altitude angle of the equatorial mount, and generate an azimuth adjustment signal according to the deviation between the current azimuth angle of the equatorial mount and the corresponding target azimuth angle, generate an altitude adjustment signal according to the deviation between the current altitude angle of the equatorial mount and the corresponding target altitude angle, and send the azimuth adjustment signal and the altitude adjustment signal to the equatorial mount. The equatorial mount adjusts its own azimuth and altitude angles according to the received azimuth adjustment signal and altitude adjustment signal to achieve polar axis operation.

[0098] Furthermore, in the embodiment of the present invention, the processing unit is also used for:

[0099] In response to the input polar axis monitoring instruction, the current equatorial mount azimuth angle is used as the reference equatorial mount azimuth angle, the current equatorial mount altitude angle is used as the reference equatorial mount altitude angle, and when it is monitored that the deviation value of the subsequently determined equatorial mount azimuth angle relative to the reference equatorial mount azimuth angle reaches a seventh deviation value, an azimuth adjustment signal is generated and output; and when it is monitored that the deviation value of the subsequently determined equatorial mount altitude angle relative to the reference equatorial mount altitude angle reaches an eighth deviation value, an altitude adjustment signal is generated and output.

[0100] The auxiliary system for the equatorial mount of the embodiment of the present invention has the following beneficial effects:

[0101] The work on the polar axis can be done without observing any stars directly or indirectly;

[0102] Not affected by weather conditions and light pollution, the polar axis can be aligned during the day;

[0103] Ability to polar-align in spaces with narrow sky viewing angles such as indoors, caves, and valleys;

[0104] There is no light pollution, which will not affect other people's shooting and observation;

[0105] When a collision is detected, the user can be reminded to check the shooting status in time;

[0106] When the polar axis of the equatorial mount shifts, the user can be reminded to realign the polar axis.

[0107] Correspondingly, based on the auxiliary system for the equatorial mount of the embodiment of the present invention, the embodiment of the present invention further proposes an equatorial mount, which includes an equatorial mount body and the auxiliary system for the equatorial mount of the embodiment of the present invention.

[0108] Although one or more embodiments of the present invention are described above, it should be known to those skilled in the art that the present invention can be implemented in any other form without departing from its subject matter and scope. Therefore, the embodiments described above are illustrative rather than restrictive, and many modifications and substitutions are obvious to those skilled in the art without departing from the spirit and scope of the present invention as defined in the appended claims.

Claims

1. An auxiliary system for an equatorial mount, It is characterized in that include: An acceleration measurement unit, used to detect the linear acceleration and angular acceleration of the equatorial mount; A magnetic field measuring unit, used to detect the strength and direction of the magnetic field in the space where the equatorial mount is located; A processing unit is used for transmitting the magnetic azimuth angle obtained from the magnetic field measurement unit to the user in response to the input auxiliary polar axis instruction, and transmitting the pitch angle obtained from the acceleration measurement unit to the user, wherein the magnetic azimuth angle is used to determine the azimuth angle of the equatorial mount together with the geomagnetic declination angle of the location of the equatorial mount, and the pitch angle is used to determine the altitude angle of the equatorial mount.

2. The equatorial mount auxiliary system according to claim 1, It is characterized in that The processing unit is also used for: In response to the input polar axis monitoring instruction, the current magnetic azimuth angle is used as the reference magnetic azimuth angle, and the current pitch angle is used as the reference pitch angle. If it is monitored that the deviation value of the subsequently acquired magnetic azimuth angle relative to the reference magnetic azimuth angle reaches a first deviation value or the deviation value of the subsequently acquired pitch angle relative to the reference pitch angle reaches a second deviation value, a prompt message for re-aligning the polar axis is passed to the user.

3. The equatorial mount auxiliary system according to claim 2, It is characterized in that The processing unit is also used for: In the process of monitoring the deviation value of the subsequently acquired magnetic azimuth angle relative to the reference magnetic azimuth angle, determine whether the magnetic field measurement unit is disturbed by the external magnetic field based on the change of the magnetic azimuth angle. If so, integrate the most recent magnetic azimuth angle before the magnetic field measurement unit is not disturbed by the external magnetic field and the magnetic azimuth acceleration value obtained from the acceleration measurement unit to determine the current magnetic azimuth angle.

4. The equatorial mount auxiliary system according to claim 1, It is characterized in that The processing unit is also used for: In response to the input collision detection instruction, it is determined whether the equatorial mount has collided based on the acceleration information obtained from the acceleration measurement unit, and if so, collision warning information is transmitted to the user.

5. The equatorial mount auxiliary system according to claim 1, It is characterized in that The auxiliary polar axis instruction comes from the user's smart terminal, and the smart terminal is also used to receive the magnetic azimuth angle and the pitch angle; or, The processing unit comprises: An input subunit, used for converting the user's contact operation thereon into the auxiliary polar axis instruction; The output subunit is used to display the magnetic azimuth angle and the pitch angle.

6. An auxiliary system for an equatorial mount, It is characterized in that include: An acceleration measurement unit, used to detect the linear acceleration and angular acceleration of the equatorial mount; A magnetic field measuring unit, used to detect the strength and direction of the magnetic field in the space where the equatorial mount is located; A GPS positioning unit, used to obtain the longitude and latitude information of the location of the equatorial mount; a processing unit, configured to respond to the input auxiliary polar axis instruction, obtain the magnetic azimuth angle through the magnetic field measurement unit, obtain the longitude and latitude information through the GPS positioning unit, determine the geomagnetic declination angle according to the longitude and latitude information, determine the azimuth angle of the equatorial mount according to the magnetic azimuth angle and the geomagnetic declination angle, and transmit the azimuth angle of the equatorial mount to the user, And, the pitch angle is acquired through the acceleration measurement unit, the altitude angle of the equatorial mount is determined according to the pitch angle, and the altitude angle is transmitted to the user.

7. The equatorial mount auxiliary system according to claim 6, It is characterized in that The processing unit is also used for: In response to the input polar axis monitoring instruction, the current magnetic azimuth angle is used as the reference magnetic azimuth angle, and the current pitch angle is used as the reference pitch angle. If it is monitored that the deviation value of the subsequently acquired magnetic azimuth angle relative to the reference magnetic azimuth angle reaches a third deviation value or the deviation value of the subsequently acquired pitch angle relative to the reference pitch angle reaches a fourth deviation value, a prompt message for re-aligning the polar axis is transmitted to the user; or, In response to the input polar axis monitoring instruction, the current equatorial mount azimuth angle is used as the reference equatorial mount azimuth angle, and the current equatorial mount altitude angle is used as the reference equatorial mount altitude angle. If it is monitored that the deviation value of the subsequently determined equatorial mount azimuth angle relative to the reference equatorial mount azimuth angle reaches a fifth deviation value or the deviation value of the subsequently determined equatorial mount altitude angle relative to the reference equatorial mount altitude angle reaches a sixth deviation value, a prompt message for re-aligning the polar axis is delivered to the user.

8. The equatorial mount auxiliary system according to claim 6, It is characterized in that The processing unit is also used for: In response to the input collision detection instruction, it is determined whether the equatorial mount has collided based on the acceleration information obtained from the acceleration measurement unit, and if so, collision warning information is transmitted to the user.

9. An auxiliary system for an equatorial mount, It is characterized in that include: An acceleration measurement unit, used to detect the linear acceleration and angular acceleration of the equatorial mount; A magnetic field measuring unit, used to detect the strength and direction of the magnetic field in the space where the equatorial mount is located; A GPS positioning unit, used to obtain the longitude and latitude information of the location of the equatorial mount; A processing unit is used to respond to the input auxiliary polar axis instruction, obtain the magnetic azimuth angle through the magnetic field measurement unit, obtain the longitude and latitude information through the GPS positioning unit, determine the geomagnetic declination angle according to the longitude and latitude information, determine the azimuth angle of the equatorial mount according to the magnetic azimuth angle and the geomagnetic declination angle, generate and output an azimuth adjustment signal according to the azimuth angle of the equatorial mount, and the azimuth adjustment signal is used to adjust the azimuth of the equatorial mount to align with due north or due south, And, the pitch angle is obtained through the acceleration measurement unit, the altitude angle of the equatorial mount is determined according to the pitch angle, and an altitude adjustment signal is generated and output according to the altitude angle of the equatorial mount, and the altitude adjustment signal is used to adjust the altitude angle of the equatorial mount to be the same as the latitude of the location of the equatorial mount.

10. The equatorial mount auxiliary system according to claim 9, It is characterized in that The processing unit is also used for: In response to the input polar axis monitoring instruction, the current equatorial mount azimuth angle is used as the reference equatorial mount azimuth angle, the current equatorial mount altitude angle is used as the reference equatorial mount altitude angle, and when it is monitored that the deviation value of the subsequently determined equatorial mount azimuth angle relative to the reference equatorial mount azimuth angle reaches a seventh deviation value, an azimuth adjustment signal is generated and output; and when it is monitored that the deviation value of the subsequently determined equatorial mount altitude angle relative to the reference equatorial mount altitude angle reaches an eighth deviation value, an altitude adjustment signal is generated and output.

11. An equatorial mount, It is characterized in that It comprises an equatorial mount body and an auxiliary system for the equatorial mount as described in any one of claims 1-10.

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