CN108054837A - Guide tracked wireless power coupler is moved for what monitoring camera used - Google Patents

Abstract

The invention discloses a movable rail-type wireless power supply coupler for monitoring cameras, which belongs to the category of wireless energy transmission and conversion. In the device, the wireless power supply (1) controls high-frequency electromagnetic power through a position tracking circuit (7). The on-off control switch (2) is loaded on the series-connected three-transmission coil group (3) located at the bottom end of the slide rail (4), and the series-connected double-receive coil (5) located at the bottom end of the controlled sliding table is facing the series-connected three-transmitter coil group (3). ), the position of the controlled sliding platform is controlled by remote control, and the moving step size is the length of a series of three transmitting coils (3). The relay switch of the three transmitting coil groups (3) connected in series realizes the wireless power supply for the mobile monitoring camera. The invention can provide wireless power supply for the mobile monitoring camera, increases the monitoring range of the camera, and simultaneously eliminates the trouble of moving with wired power supply.

Description

Movable Din Rail Wireless Power Coupler for Surveillance Cameras

technical field

The invention belongs to the field of wireless energy transmission and conversion, and in particular relates to a movable guide rail type wireless power supply coupler which can be used by a surveillance camera.

Background technique

Wireless power transmission technology can avoid the direct connection between electrical equipment and power supply end. It has the advantages of flexibility, safety and reliability. It overcomes the instability of wire connection and the limitation of electrical equipment movement. Special occasions with higher requirements such as economy, flexibility, safety, and maintainability, such as mines, seabeds, and mobile equipment power supply, have greater advantages and become an important supplement to the wired power supply mode. researchers' attention.

At present, out of security considerations, surveillance cameras are increasingly used in public places, industrial production and home protection. Traditional surveillance cameras often need to be installed in a certain fixed location, which limits its monitoring range. In order to expand the monitoring range, the traditional method is to install surveillance cameras in multiple locations, which increases the cost and brings inconvenience to the monitoring.

Contents of the invention

In view of this, the present invention designs a movable rail-type wireless power supply coupler for the limitation of the monitoring range of the fixed monitoring camera, and uses wireless energy transmission technology to supply power to the monitoring camera, thereby increasing the monitoring range and eliminating the need for wired power supply movement. time limit.

In order to achieve the above object, technical solution of the present invention is achieved in that way:

A movable guide rail type wireless power supply coupler used for monitoring cameras, comprising a slide rail 4 and a controlled slide table slidingly connected with the slide rail 4; the bottom end of the slide rail 4 is provided with three transmitting coil groups 3 connected in series, and the The series-connected three-transmission coil group 3 is connected to the wireless power supply 1; the bottom of the controlled sliding table is provided with series-connected double receiving coils 5; the moving distance of the controlled sliding table is remotely controlled.

Further, the series-connected three transmitting coil groups 3 are several groups, laid according to the length of the slide rail 4; the step size of each movement of the controlled slide table is the length of a series-connected three transmitting coil groups 3, after each movement The series double receiving coil 5 is aligned with the center of a set of three series transmitting coils 3 .

Furthermore, an on-off control switch 2 is provided between the wireless power supply 1 and several sets of three transmitting coil sets 3 in series, for controlling the on-off of each coil set.

Still further, the controlled slide is provided with a position tracking circuit 7, which is connected to the on-off control switch 2 for detecting the position of the series double receiving coil 5 and controlling the on-off according to the position Control the conduction of switch 2.

Preferably, the position tracking circuit 7 mainly detects position information by a retro-reflective photoelectric switch sensor, and each series-connected three transmitting coil group 3 is equipped with a transmitting end of a retro-reflective photoelectric switch sensor located at the center of the series-connected three transmitting coil group 3 position; the central position of the series double receiving coil 5 is provided with a reflector; after each action of the controlled slide, the transmitter of the retro-reflective photoelectric switch sensor sends a signal, and only the photoelectric switch facing the series double receiving coil 5 The transmitting end of the sensor can receive the signal to detect the position of the controlled sliding table;

The on-off control switch 2 is composed of a relay switch with a control signal line 9, each of the three transmitting coil groups 3 in series is equipped with a relay switch with a control signal line 9, and the whole is in parallel form; the control signal lines 9 are in turn The position tracking circuit 7 is connected, that is, the retro-reflective photoelectric switch sensor connected to its central position corresponding to each series-connected three transmitting coil groups 3 .

Further, the controlled slide table is a ball screw slide table 6, the ball screw slide table 6 is connected to a remote controller 8, and the remote controller 8 controls the ball screw to control the moving distance of the controlled slide table.

Further, the set of three transmitting coils in series 3 is composed of three identical transmitting coils connected in series, and the coils have a planar circular spiral structure.

Further, the series double receiving coil 5 is formed by connecting two identical receiving coils in series, and the coils have a planar circular spiral structure.

Compared with the prior art, the movable rail-type wireless power supply coupler for monitoring cameras according to the present invention has the following advantages:

Through the present invention, the monitoring camera can be installed on the sliding table that can move on the slide rail, and the moving distance of the sliding table can be controlled remotely. The wireless power transmission technology supplies power to the monitoring camera. While increasing the monitoring range of the camera, it removes the limitation of wired power supply movement, obtains efficient and accurate wireless power transmission effects, and greatly saves monitoring costs. It has broad market application prospects and can be widely used It is widely used in public place monitoring, industrial monitoring and home indoor monitoring.

Description of drawings

Fig. 1 is an overall structural diagram of the present invention;

Fig. 2 is a structural diagram of an on-off control switch;

Fig. 3 is a structural diagram of three transmitting coil groups connected in series;

Fig. 4 is a structural diagram of series double receiving coils;

Figure 5 is a diagram of the position of the serial dual receiving coils after movement.

in:

1: Wireless power supply; 2: On-off control switch; 3: Three transmitting coils in series;

4: slide rail; 5: double receiving coil in series; 6: ball screw slide table;

7: Position tracking circuit; 8: Remote controller; 9: Control signal line.

Detailed ways

It should be noted that, in the case of no conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

The present invention will be described in detail below with reference to the accompanying drawings and examples.

As shown in Fig. 1, the mobile rail-type wireless power supply coupler for monitoring cameras of the present invention includes: a wireless power supply 1, an on-off control switch 2, a series of three transmitting coil groups 3, a slide rail 4, a series of double Receiving coil 5, ball screw slide table 6, position tracking circuit 7, remote controller 8. The bottom end of the slide rail 4 is provided with several sets of three series transmitting coil groups 3, and the series series three transmitting coil groups 3 are connected to the wireless power supply 1; the bottom end of the ball screw slide table 6 is provided with series series double receiving coils 5; The moving distance of the controlled sliding table 6 is controlled by a remote controller 8 . An on-off control switch 2 is provided between the wireless power supply 1 and the three transmitting coil groups 3 in series for controlling the on-off of each coil group. The ball screw slide table 6 is provided with a position tracking circuit 7, and the position tracking circuit 7 is connected to the on-off control switch 2 for detecting the position of the series double receiving coil 5 and controlling the on-off control according to the position. The conduction of switch 2.

The position tracking circuit 7 mainly detects position information by a retro-reflective photoelectric switch sensor, and each series-connected three transmitting coil group 3 is equipped with a transmitting end of a retro-reflective photoelectric switch sensor, which is located at the central position of the series-connected three transmitting coil group 3. The mirror is located at the center of the series double receiving coil 5; after each action of the controlled slide, the transmitter of the retro-reflective photoelectric switch sensor sends a signal, and only the transmitter of the photoelectric switch sensor facing the series double receiver coil 5 can receive the signal. To the signal, in order to detect the position of the controlled slide.

As shown in Figure 2, the on-off control switch 2 is composed of a relay switch with a control signal line 9, and each series-connected three transmitting coil group 3 is equipped with a relay switch with a control signal line 9, and the whole is in parallel form. The control signal lines 9 are sequentially connected to the position tracking circuit 7 , that is, the control signal lines 9 corresponding to each series-connected three transmitting coil groups 3 are respectively connected to the retro-reflective photoelectric switch sensors at their central positions.

When the position tracking circuit 7 detects the position signal of the series double receiving coil 5, it sends a closing signal to the corresponding relay switch through the control signal line 9, and the relay switch connects the corresponding series three transmitting coil group 3 to the wireless power supply 1.

As shown in Figure 3, the series-connected three-transmission coil group 3 is formed by three identical transmission coils connected in series, and each coil is wound by a copper enameled wire with a wire diameter of 0.1 mm and a number of turns of 250 turns insulated from each other. The coil has a flat circular spiral structure, the outer diameter of the coil is 8cm, the inner diameter is 4cm, and the distance between the upper and lower boundaries of the slide rail is 5mm. A plurality of series-connected three transmitting coil groups 3 are laid close to the bottom of the slide rail 4 , the number of which is laid according to the length of the slide rail 4 . Each series-connected three-transmission coil group 3 is connected to the corresponding on-off control switch. When the position tracking circuit 7 detects the position signal of the series-connected double-receive coil 5, the relay switch is closed, and the series-connected three-coil group aligned with the series-connected double-receive coil 5 centers The transmitting coil set 3 works.

As shown in Figure 4, the series double receiving coil 5 is formed by connecting two identical receiving coils in series, and each coil is wound by a copper enameled wire with a wire diameter of 0.1mm and a number of turns of 250 turns and insulated from each other. The coil is a plane circular spiral structure, the outer diameter of the coil is 8cm, and the inner diameter is 4cm. The series double receiving coil 5 is located at the bottom end of the ball screw slide table 6 and is 2 cm away from the series three transmitting coil group 3 . The position of the ball screw slide table 6 is controlled by the remote controller 8, thereby controlling the positions of the series double receiving coils 5 and the monitoring camera. After each movement, the series double receiving coils 5 are aligned with the centers of the series three transmitting coil groups 3. The movement of the ball screw slide table 6 is realized by controlling the stepping motor, and the moving step is the length of a series of three transmitting coil groups 3, and each moving distance is an integer multiple of the specified step.

As shown in FIG. 5 , the series double receiving coil 5 is aligned with the center of the series three transmitting coil group 3 . Before the system works, the on-off control switches 2 are all in the off state. When the system is working, the slide plate is controlled to move to the designated position through the remote control 8. The moving step is the length of a series of three transmitting coil groups 3, and the moving distance each time It is an integral multiple of the specified step length, after the movement, the series double receiving coil 5 is aligned with the center of the series three transmitting coil group 3, and the position tracking circuit 7 detects the position of the series double receiving coil 5 at this time, and closes and connects with the control signal line 9. The relay switches corresponding to the three transmitting coil groups 3 are connected in series, so that the high-frequency electromagnetic power is loaded on the three transmitting coil groups 3 in series, and then the monitoring camera is supplied with power by connecting the double receiving coils 5 in series.

The mobile guide rail type wireless power supply coupler used by the monitoring camera of the present invention controls the moving distance of the ball screw slide table 6 by the remote control 8, and tracks the serial double receiver located at the bottom end of the ball screw slide table 6 through the position tracking circuit 7. The position of the coil 5 controls the conduction of the on-off switch of the series-connected three-transmitting coil group 3 facing the series-connected double-receiving coil 5, so as to obtain efficient and accurate wireless power transmission effect. Under normal working conditions, it can realize efficient wireless power supply for mobile surveillance cameras, and can be widely used in public monitoring, industrial monitoring and home protection monitoring. It has high efficiency, safety and reliability, low cost and maintenance costs, easy operation and intelligent controllability advantage.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included in the scope of the present invention. within the scope of protection.

Claims (8)

1. a kind of move guide tracked wireless power coupler for what monitoring camera used, which is characterized in that including slide (4) And the controlled slide unit being slidably connected with slide (4)；Slide (4) bottom is equipped with three transmitting winding groups of series connection (3), the series connection Three transmitting winding groups (3) connection wireless power supply source (1)；The controlled slide unit bottom is equipped with series connection double reception coil (5)；It is described The displacement distance of controlled slide unit receives remote control.

2. a kind of removable guide tracked wireless power coupler used for monitoring camera according to claim 1, It is characterized in that, three transmitting winding groups of the series connection (3) are several groups, are laid with according to the length of slide (4)；The controlled slide unit is every The step-length of secondary movement for three transmitting winding group of series connection (3) length, it is mobile every time after the series connection double reception coil (5) with One string formation connection, three transmitting winding groups (3) center alignment.

3. a kind of removable guide tracked wireless power coupler used for monitoring camera according to claim 2, It is characterized in that, make-and-break control switch is equipped between the wireless power supply source (1) and several string formations three transmitting winding groups of connection (3) (2), for controlling the break-make of each coil group.

4. a kind of removable guide tracked wireless power coupler used for monitoring camera according to claim 3, It is characterized in that, the controlled slide unit is equipped with position tracking circuit (7), and the position tracking circuit (7) connects the break-make control It switchs (2), for detecting series connection double reception coil (5) position and controlling the make-and-break control switch (2) according to position Conducting.

5. a kind of removable guide tracked wireless power coupler used for monitoring camera according to claim 4, It is characterized in that, the position tracking circuit (7) is each to go here and there mainly by retroreflecting type optoelectronic switch sensor test position information Join the transmitting terminal that three transmitting winding groups (3) are equipped with a retroreflecting type optoelectronic switch sensor, positioned at three transmitting coils of connecting The center of group (3)；The center of the series connection double reception coil (5) is equipped with reflective mirror；

The make-and-break control switch (2) is made of the relay switch of belt controling signal line (9), each three transmitting winding groups of connecting (3) relay switch there are one belt controling signal line (9) is matched somebody with somebody, whole is in parallel form；The control signal wire is sequentially connected Position tracking circuit (7), i.e., each the corresponding control signal wire (9) of three transmitting winding groups of series connection (3) each connects its centre bit The retroreflecting type optoelectronic switch sensor put.

6. a kind of removable guide tracked wireless power coupler used for monitoring camera according to claim 1, It being characterized in that, the controlled slide unit is ball-screw slide unit (6), ball-screw slide unit (6) the connection remote controllers (8), By remote controllers (8) ball-screw is controlled to control the displacement distance of controlled slide unit.

7. guide tracked wireless power coupling is moved for what monitoring camera used according to claim 1-6 any one of them is a kind of Clutch, which is characterized in that three transmitting winding groups of the series connection (3) are in series by three identical transmitting coils, and coil is in flat Face round screw thread structure.

8. guide tracked wireless power coupling is moved for what monitoring camera used according to claim 1-6 any one of them is a kind of Clutch, which is characterized in that the series connection double reception coil (5) is in series by two identical receiving coils, and coil is in plane Round screw thread structure.