CN202815599U - Wiper device and camera - Google Patents

Wiper device and camera Download PDF

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Publication number
CN202815599U
CN202815599U CN 201220494690 CN201220494690U CN202815599U CN 202815599 U CN202815599 U CN 202815599U CN 201220494690 CN201220494690 CN 201220494690 CN 201220494690 U CN201220494690 U CN 201220494690U CN 202815599 U CN202815599 U CN 202815599U
Authority
CN
China
Prior art keywords
motor
wiping device
limited post
column
controller
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN 201220494690
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Chinese (zh)
Inventor
伍志坚
刘样
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SAE ELECTRONIC CO Ltd
Original Assignee
SAE ELECTRONIC CO Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by SAE ELECTRONIC CO Ltd filed Critical SAE ELECTRONIC CO Ltd
Priority to CN 201220494690 priority Critical patent/CN202815599U/en
Application granted granted Critical
Publication of CN202815599U publication Critical patent/CN202815599U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model relates to a wiper device and a camera. The wiper device includes a wiper mechanism (1), a motor (2) and a controller (3) which controls the motor (2) to rotate. The motor (2) drives the wiper mechanism (1) to rotate. The wiper device also includes a column (4) which is connected with an output shaft of the motor (2), and the two sides of the column (4) are provided with a first limiting column (5) and a second limiting column (6). When the column (4) rotates to contact with the first limiting column (5) or the second limiting column (6), the controller (3) changes the rotation direction of the motor (2). The camera includes the above wiper device. The wiper device is simple in structure, saves the transmission gear, the limiting detection optocoupler, the light shielding sheet and other parts, greatly reduces the overall volume of the device, and reduces the production cost at the same time.

Description

Wiping device and video camera
Technical field
The utility model relates to Wiping device, more particularly, relates to a kind of Wiping device and video camera.
Background technology
In particularly security protection industry of electron trade, integrated intelligent high-speed horizontal stage video camera and part spherical pickup camera product all are with the windscreen wiper function at present, but the Wiping device of most product is complicated.In order to guarantee that wiper operation is in certain angular range, tend to utilize one or two light sensation components and parts, for detection of the extreme position of wiper operation, and be converted to electric signal and feed back to related circuit plate control chip, thereby realize that windscreen wiper comes and goes operation continuously.Such control model, electronic devices and components and structural member are many, cause on the one hand the windscreen wiper manufacturing cost to rise, on the other hand because structural member, electronic devices and components are many, cause whole Wiping device volume excessive, take up room too much, make inner limited installing space more narrow and small, cause the user to use inconvenience.
Fig. 1 is the structural representation of existing Wiping device, the moment of rain shaving electrical machine 1 ' output needs by driving gear 2 ' and follower gear 3 ' drive to windscreen wiper topworks, and need with left photo-sensitive cell 4 ', right photo-sensitive cell 5 ' and light barrier 6 ' etc. parts detect the extreme position of the right and left, cause components and parts too much, mechanism is complicated, and volume is larger.
The utility model content
The technical problems to be solved in the utility model is, for existing wiper body complex structure, defective that volume is larger, provides a kind of Wiping device and video camera.
The technical scheme that its technical matters that solves the utility model adopts is: construct a kind of Wiping device, the controller that comprises wiper body, motor and the described electric machine rotation of control, the described wiper body of described motor-driven rotates, described Wiping device also comprises the column that is connected with the output shaft of described motor, the both sides of described column are respectively equipped with the first limited post and the second limited post, when described column turns to when contacting with described the first limited post or the second limited post, described controller changes the rotation direction of described motor.
In Wiping device described in the utility model, the output shaft of described motor is connected with described column by shaft coupling.
In Wiping device described in the utility model, described wiper body is provided with the windscreen wiper axle, and described windscreen wiper axle is connected with the output shaft of described motor by described shaft coupling.
In Wiping device described in the utility model, described controller comprises control circuit and is connected driving circuit and the sample circuit that is connected with described control circuit, described driving circuit drives described electric machine rotation, and described sample circuit gathers the current signal of motor and is converted into voltage signal.
In Wiping device described in the utility model, described controller also comprises analog to digital converter, and described analog to digital converter connects described sample circuit and described control circuit.
In Wiping device described in the utility model, described Wiping device also comprises support, and described motor is fixed on the described support, and described the first limited post and the second limited post are fixed on the described support.
The utility model also provides a kind of video camera, comprise the described Wiping device of housing and claim-any one, be provided with camera in the described housing, described housing is provided with the protective cover of printing opacity in the position corresponding with described camera, wiper body is provided with rain shaving blade, the described rain shaving blade described protective cover of fitting.
Implement Wiping device of the present utility model, has following beneficial effect: when column contacts with the first limited post or the second limited post, controller will change the rotation direction of motor, column can to-and-fro movement between the first limited post and the second limited post, thereby realizes that wiper body comes and goes operation continuously in the certain angle scope.The utility model Wiping device simple in structure need not to use the parts such as transmission gear, spacing detection optocoupler, light barrier, greatly reduced the volume of whole device, reduced simultaneously production cost.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 is the structural representation of Wiping device in the prior art;
Fig. 2 is the structural representation of the utility model Wiping device;
Fig. 3 is the front view of Wiping device;
Fig. 4 is the left view of Wiping device;
Fig. 5 is the structural representation of controller;
Fig. 6 is the structural representation that the video camera of Wiping device is installed.
Embodiment
Understand for technical characterictic of the present utility model, purpose and effect being had more clearly, now contrast accompanying drawing and describe embodiment of the present utility model in detail.
Such as Fig. 1-shown in Figure 6, Wiping device of the present utility model comprises wiper body 1, motor 2, column 4 and controller 3.Motor 2 drives wiper body 1 and rotates, and controller 3 control motors 2 rotate, and can change the rotation direction of motor 2, realize forward or reverse.Column 4 is connected with the output shaft of motor 2, and is respectively equipped with the first limited post 5 and the second limited post 6 in the both sides of column 4.When column 4 contacts with the first limited post 5 or the second limited post 6, controller 3 will change the rotation direction of motor 2, column 4 meeting to-and-fro movements between the first limited post 5 and the second limited post 6, thus realize that wiper body 1 comes and goes operation continuously in the certain angle scope.The utility model Wiping device simple in structure need not to use the parts such as transmission gear, spacing detection optocoupler, light barrier, greatly reduced the volume of whole device, reduced simultaneously production cost.
Further, the output shaft of motor 2 is connected with column 4 by shaft coupling 7, and is simple and convenient.Wiper body 1 is provided with windscreen wiper axle 8, and windscreen wiper axle 8 also is connected with the output shaft of motor 2 by this shaft coupling 7.
As shown in Figure 5, further, controller 3 comprises control circuit 301, driving circuit 302 and sample circuit 303.Driving circuit 302 is connected with sample circuit and is connected with control circuit 301 respectively.Wherein control circuit 301 is used for drive motor 2 forward or reverse, and sample circuit 303 gathers the current signal of motor 2 and is converted into voltage signal, and it is fed back to control circuit 301.When column 4 rotates as for the first limited post 5 or 6 contact of the second limited post, because mechanical position limitation causes motor 2 stalls, electric current increases rapidly, sample circuit 303 feeds back to control circuit 301 after being converted into voltage signal, after feedback voltage increases to a certain degree, control circuit 301 sends control signal for driving circuit 302, thereby changes the rotation direction of motor 2.Controller 3 also comprises analog to digital converter 304, and analog to digital converter 304 connects sample circuit 303 and control circuit 301, and analog to digital converter 304 becomes the analog signal conversion in the sample circuit 303 digital signal and is sent to control circuit 301.Analog to digital converter 304 and control circuit 301 in the present embodiment are integrated on the single-chip microcomputer 305.Be understandable that, above-mentioned sample circuit 303 just controller 3 changes the preferred embodiment a kind of of motors 2 rotation directions, also can come by the alternate manners such as change-over switch are set at the first limited post 5 and the second limited post 6 rotation direction of switch motor 2.
Further, Wiping device also comprises support 9, and support 9 plays fixed support, and motor 2, the first limited post 5 and the second limited post 6 are fixed on the support 9.
As shown in Figure 6, the utility model also provides a kind of video camera, comprises housing 10 and above-mentioned Wiping device.Be provided with camera in the housing 10, housing 10 is provided with the protective cover 11 of printing opacity in the position corresponding with camera, and wiper body 1 is provided with rain shaving blade 12, rain shaving blade 12 applying protective covers 11.The volume of Wiping device of the present utility model is little, has only taken very little space, housing 10 inside, and is convenient at the more miscellaneous equipment of housing 10 interior installations.
The above is described embodiment of the present utility model by reference to the accompanying drawings; but the utility model is not limited to above-mentioned embodiment; above-mentioned embodiment only is schematic; rather than restrictive; those of ordinary skill in the art is under enlightenment of the present utility model; not breaking away from the scope situation that the utility model aim and claim protect, also can make a lot of forms, these all belong within the protection of the present utility model.

Claims (7)

1. Wiping device, it is characterized in that, comprise wiper body (1), the controller (3) that motor (2) and the described motor of control (2) rotate, described motor (2) drives described wiper body (1) and rotates, described Wiping device also comprises the column (4) that is connected with the output shaft of described motor (2), the both sides of described column (4) are respectively equipped with the first limited post (5) and the second limited post (6), when described column (4) turns to described the first limited post (5) or the second limited post (6) when contacting, described controller (3) changes the rotation direction of described motor (2).
2. Wiping device according to claim 1 is characterized in that, the output shaft of described motor (2) is connected with described column (4) by shaft coupling (7).
3. Wiping device according to claim 2 is characterized in that, described wiper body (1) is provided with windscreen wiper axle (8), and described windscreen wiper axle (8) is connected with the output shaft of described motor (2) by described shaft coupling (7).
4. Wiping device according to claim 1, it is characterized in that, described controller (3) comprises control circuit (301) and is connected driving circuit (302) and the sample circuit (303) that is connected with described control circuit (301), described driving circuit (302) drives described motor (2) and rotates, and described sample circuit (303) gathers the current signal of motor (2) and is converted into voltage signal.
5. Wiping device according to claim 4 is characterized in that, described controller (3) also comprises analog to digital converter (304), and described analog to digital converter (304) connects described sample circuit (303) and described control circuit (301).
6. Wiping device according to claim 1, it is characterized in that, described Wiping device also comprises support (9), and described motor (2) is fixed on the described support (9), and described the first limited post (5) and the second limited post (6) are fixed on the described support (9).
7. video camera, it is characterized in that, comprise housing (10) and the described Wiping device of claim 1-6 any one, described housing is provided with camera in (10), described housing (10) is provided with the protective cover (11) of printing opacity in the position corresponding with described camera, wiper body (1) is provided with rain shaving blade (12), described rain shaving blade (12) the described protective cover (11) of fitting.
CN 201220494690 2012-09-26 2012-09-26 Wiper device and camera Expired - Fee Related CN202815599U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220494690 CN202815599U (en) 2012-09-26 2012-09-26 Wiper device and camera

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220494690 CN202815599U (en) 2012-09-26 2012-09-26 Wiper device and camera

Publications (1)

Publication Number Publication Date
CN202815599U true CN202815599U (en) 2013-03-20

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Family Applications (1)

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CN 201220494690 Expired - Fee Related CN202815599U (en) 2012-09-26 2012-09-26 Wiper device and camera

Country Status (1)

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CN (1) CN202815599U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103676966A (en) * 2012-09-26 2014-03-26 深圳市艾立克电子有限公司 A wiper apparatus and a camera

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103676966A (en) * 2012-09-26 2014-03-26 深圳市艾立克电子有限公司 A wiper apparatus and a camera

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130320

Termination date: 20160926