CN204989983U

CN204989983U - Key control camera shooting pan -tilt's circuit

Info

Publication number: CN204989983U
Application number: CN201520726630.7U
Authority: CN
Inventors: 陈锦棋
Original assignee: Guangdong Softlink Medical Innovation Co Ltd
Current assignee: Guangdong Softlink Medical Innovation Co Ltd
Priority date: 2015-09-18
Filing date: 2015-09-18
Publication date: 2016-01-20
Anticipated expiration: 2025-09-18

Abstract

The utility model relates to a key control camera shooting pan -tilt's circuit, including command input equipment and instruction handling circuit, command input equipment is used for receiving user's operating instruction to with this instruction issue to instruction handling circuit, instruction handling circuit is used for receiving operating instruction handles the back, takes place to camera shooting pan -tilt, input device is the keyboard. Compared with the prior art, the utility model discloses a control circuit of can the remote operation platform for video camera to can be conveniently operate the platform for video camera long -range in the staff, the shooting angle of adjusting camera lens makes things convenient for watching of the all angles of doctor when having an operation.

Description

A kind of circuit by key control camera cradle head

Technical field

The utility model relates to a kind of control system, particularly a kind of circuit by key control camera cradle head.

Background technology

When clinical treatment, particularly when doctor is when performing the operation, often needing to carry out carrying out observation surgical procedure by shooting, play in real time and record, can conveniently watch in surgical procedure, also can carry out demonstration lesson by video recording simultaneously.

But existing pick-up lens is relatively fixing, the limited angle of shooting, is difficult to reduce the scene of whole operation and details.Therefore, common solution is by increasing the platform for video camera that can control camera lens and rotate, thus controls the rotation of camera.

And conveniently in the control of staff to platform for video camera, needing to provide a kind of can carry out the function circuit that rotates by Long-distance Control camera lens.

Utility model content

The utility model is that the shortcoming overcoming prior art is with not enough, provides a kind of circuit by key control camera cradle head.

The utility model is achieved through the following technical solutions: a kind of circuit by key control camera cradle head, comprises command input device and instruction handling circuit;

This instruction for receiving the operational order of user, and is sent to instruction handling circuit by described command input device; Described instruction handling circuit, for receiving described operational order, after processing, occurs to camera cradle head; Described input equipment is keyboard.

As further improvement of the utility model, described instruction handling circuit comprises control chip; Described control chip outside is provided with: for receive external power source power supply receiving port, for receive instruction command reception port, for the signal output port of output order, for receiving the clock signal port of external timing signal and the configured port for receiving configuration signal; Described command reception port is connected with described command input device, for receiving operational order, after control chip internal processor processes, by described signal output port by command to camera cradle head.

As further improvement of the utility model, the power port of described control chip is connected to a filtering circuit, and external voltage is by the power port of this filtering circuit Access Control chip; Described filtering circuit comprises inductance and the electric capacity of series connection; One end of described inductance connects external voltage, and the other end is by this capacity earth, and the access of described power port is between this inductance and electric capacity.

As further improvement of the utility model, there is a crystal oscillating circuit described clock signal port outside; Described crystal oscillating circuit is used for providing clock signal for control chip.

As further improvement of the utility model, in described keyboard, being provided with trigger circuit, for receiving the operation of user, sending the keyboard signal receiving port of triggering command to control chip.

As further improvement of the utility model, described keyboard trigger circuit comprise 12 trigger buttons; Described trigger button arranges according to 4 row 3 row modes, and described line triggering signal is followed successively by: BD1, BD2, BD3 and BD4; Described row trigger pip is followed successively by: BD5, BD6 and BD7; When pressing described trigger button, trigger rows trigger pip and row trigger pip simultaneously, to distinguish different trigger buttons.

As further improvement of the utility model, the external AT24C02 chip of signal configures port of described control chip, serial data pin SDA and the serial clock pin SCL of this chip access in the configured port of control chip respectively; Pin A0, A1 and A2 ground connection respectively of the address date selection of this chip.

As further improvement of the utility model, described command reception circuit also comprises a signal conversion chip; Described signal conversion chip, for receiving the instruction output signal of control chip, and is converted to RS485 signal, and transfers to camera cradle head.

Compared to prior art, the utility model by provide a kind of can the control circuit of operated from a distance platform for video camera, thus staff can be convenient to long-range, platform for video camera be operated, regulating the shooting angle of pick-up lens, facilitating the viewing of all angles of doctor when having an operation.

In order to understand better and implement, describe the utility model in detail below in conjunction with accompanying drawing.

Accompanying drawing explanation

Fig. 1 is the model calling schematic diagram of the circuit by key control camera cradle head.

Fig. 2 is the external interface circuit figure of control chip.

Fig. 3 is the partial enlarged drawing of the power port of control chip.

Fig. 4 is the circuit diagram of 3.3V voltage.

Fig. 5 is the partial enlarged drawing of keyboard signal receiving port.

Fig. 6 is the trigger circuit figure of keyboard.

Fig. 7 is the circuit diagram of AT24C02 chip.

Fig. 8 is the circuit diagram of the signal conversion chip of signal conversion chip.

Embodiment

Refer to Fig. 1, it is the model calling schematic diagram of the circuit by key control camera cradle head.

The utility model relates to provides a kind of circuit by key control camera cradle head, comprises command input device and instruction handling circuit;

This instruction for receiving the operational order of user, and is sent to instruction handling circuit by described command input device; Described instruction handling circuit, for receiving described operational order, after processing, occurs to camera cradle head.

In the present embodiment, described camera cradle head comprise pick-up lens, for control this pick-up lens up and down, the first stepper motor of left and right and rotation, the second stepper motor and the 3rd stepper motor, and motor-drive circuit; Described motor-drive circuit, for receiving the instruction from operating platform, after row relax of going forward side by side, controls the work of described three stepper motors, to control the rotation of described pick-up lens.

Please refer to Fig. 2, it is the external interface circuit figure of control chip.

Further, described instruction handling circuit comprises control chip; Described control chip 10 outside is provided with: for receive the power supply receiving port 101 of external power source, command reception port, for the signal output port 104 of output order, for receiving the clock signal port 105 of external timing signal and the configured port 106 for receiving configuration signal.There is a crystal oscillating circuit described clock signal port 105 outside; Described crystal oscillating circuit is used for providing clock signal for control chip.

Please refer to Fig. 3, it is the partial enlarged drawing of the power port of control chip.

Concrete, the power port 101 of described control chip comprises VDD1, VDD2, VDD3 and VDDA tetra-power pins; Wherein VDD1, VDD2, VDD3 and VDDA access the voltage of 3.3V respectively;

Described VDDA is circumscribed with a filtering circuit, and external voltage is by the power port of this filtering circuit Access Control chip; Described filtering circuit comprises inductance L 1 and the electric capacity C3 of series connection; One end of described inductance connects external voltage, and the other end is by this capacity earth, and the access of described power port is between this inductance and electric capacity.

Please refer to Fig. 4, it is the circuit diagram of 3.3V voltage.Described 3.3V voltage is connected to the electric capacity of multiple parallel connection, and the capacity earth of described parallel connection.By the electric capacity of this parallel connection, the alternating current part in voltage can be drained.

Described command reception port is connected with described command input device, for receiving operational order, after control chip internal processor processes, by described signal output port by command to camera cradle head.Concrete, the command reception port of the present embodiment comprises keyboard signal receiving port 102.

Refer to Fig. 5 and Fig. 6, it is respectively the partial enlarged drawing of keyboard signal receiving port and the trigger circuit figure of keyboard.

Described keyboard signal receiving port 102 comprises 7 Signal reception pins, for receiving the output signal of keyboard.Concrete, described Signal reception pin is respectively: BD1, BD2, BD3, BD4, BD5, BD6 and BD7.

Being provided with trigger circuit in described keyboard, for receiving the operation of user, sending the keyboard signal receiving port of triggering command to control chip; Being provided with trigger circuit in described rocking bar, for receiving the operation of user, sending the rocking bar receiver port of triggering command to control chip.Wherein, described keyboard trigger circuit comprise 12 trigger buttons, are respectively S1 ~ S12; Described trigger button arranges according to 4 row 3 row modes, and described line triggering signal is followed successively by: BD1, BD2, BD3 and BD4; Described row trigger pip is followed successively by: BD5, BD6 and BD7; When pressing described trigger button, trigger rows trigger pip and row trigger pip simultaneously, to distinguish different trigger buttons.Such as: as user's button click S1, trigger pip BD1 and BD2 simultaneously, these two signals are sent in the pin of BD1 and BD2 of keyboard signal receiving port by the trigger circuit in keyboard simultaneously, thus differentiation is the trigger pip of which button.

In addition, as the mode of texturing of the present embodiment, described command reception port can comprise rocking bar receiver port 103, and described command input equipment can also comprise rocking bar.Sent a control signal in control chip by this remote control.

Please refer to Fig. 7, it is the circuit diagram of AT24C02 chip.

The signal configures port of described control chip comprises two pins, and it is respectively SDA and SCL pin, and a simultaneously external AT24C02 chip, serial data pin SDA and the serial clock pin SCL of this chip access in the configured port of control chip respectively; Pin A0, A1 and A2 ground connection respectively of the address date selection of this chip.

Further, described command reception circuit also comprises a signal conversion chip; Described signal conversion chip, for receiving the instruction output signal of control chip, and is converted to RS485 signal, and transfers to camera cradle head.

Refer to Fig. 8, it is the circuit diagram of the signal conversion chip of signal conversion chip.

Described signal conversion chip 20 comprises power port 201, receiver port 202, signal output port 203 and earth terminal; Described power port is for receiving the voltage of 3.3V, and this power port is by electric capacity C4 ground connection, for alternating current part being got rid of.Described receiver port 202 comprises two signal pins, for receiving the output signal of control chip.

The utility model is not limited to above-mentioned embodiment, if do not depart from spirit and scope of the present utility model to various change of the present utility model or distortion, if these are changed and distortion belongs within claim of the present utility model and equivalent technologies scope, then the utility model is also intended to comprise these changes and distortion.

Claims

1., by a circuit for key control camera cradle head, it is characterized in that: comprise command input device and instruction handling circuit;

2., according to claim 1 by the circuit of key control camera cradle head, it is characterized in that: described instruction handling circuit comprises control chip; Described control chip outside is provided with: for receive external power source power supply receiving port, for receive instruction command reception port, for the signal output port of output order, for receiving the clock signal port of external timing signal and the configured port for receiving configuration signal; Described command reception port is connected with described command input device, for receiving operational order, after control chip internal processor processes, by described signal output port by command to camera cradle head.

3. according to claim 2 by the circuit of key control camera cradle head, it is characterized in that: the power port of described control chip is connected to a filtering circuit, external voltage is by the power port of this filtering circuit Access Control chip; Described filtering circuit comprises inductance and the electric capacity of series connection; One end of described inductance connects external voltage, and the other end is by this capacity earth, and the access of described power port is between this inductance and electric capacity.

4., according to claim 3 by the circuit of key control camera cradle head, it is characterized in that: there is a crystal oscillating circuit described clock signal port outside; Described crystal oscillating circuit is used for providing clock signal for control chip.

5. according to claim 3 by the circuit of key control camera cradle head, it is characterized in that: in described keyboard, be provided with trigger circuit, for receiving the operation of user, sending the keyboard signal receiving port of triggering command to control chip.

6., according to claim 5 by the circuit of key control camera cradle head, it is characterized in that: described keyboard trigger circuit comprise 12 trigger buttons; Described trigger button arranges according to 4 row 3 row modes, and described line triggering signal is followed successively by: BD1, BD2, BD3 and BD4; Described row trigger pip is followed successively by: BD5, BD6 and BD7; When pressing described trigger button, trigger rows trigger pip and row trigger pip simultaneously, to distinguish different trigger buttons.

7. according to claim 2 by the circuit of key control camera cradle head, it is characterized in that: the external AT24C02 chip of signal configures port of described control chip, serial data pin SDA and the serial clock pin SCL of this chip access in the configured port of control chip respectively; Pin A0, A1 and A2 ground connection respectively of the address date selection of this chip.

8., according to claim 2 by the circuit of key control camera cradle head, it is characterized in that: described command reception circuit also comprises a signal conversion chip; Described signal conversion chip, for receiving the instruction output signal of control chip, and is converted to RS485 signal, and transfers to camera cradle head.