CN208805693U

CN208805693U - A kind of small controller

Info

Publication number: CN208805693U
Application number: CN201821151940.0U
Authority: CN
Inventors: 杨金江
Original assignee: BEIJING YULE WORLD EDUCATION TECHNOLOGY Co Ltd
Current assignee: BEIJING YULE WORLD EDUCATION TECHNOLOGY Co Ltd
Priority date: 2018-07-19
Filing date: 2018-07-19
Publication date: 2019-04-30
Anticipated expiration: 2028-07-19

Abstract

The utility model relates to controller field, a kind of small controller, including chip U1, chip U3, chip U4, chip U5, chip U6 and chip U7；The chip U4 and chip U1 is electrically connected, the chip U4 and chip U3 is electrically connected, the chip U4 and chip U5 is electrically connected, and the chip U5 and external USB port are electrically connected, and the chip U1 is electrically connected with the chip U6 and chip U7 respectively.Small controller provided by the utility model is applicable to Various Complex condition, and structure is simple, rationally distributed, convenient for integrating, is made into small in volume after circuit board, is easily installed, reduce costs of production and operation.

Description

A kind of small controller

Technical field

The utility model relates to controller field, especially a kind of small controller.

Background technique

Controller, which refers to, to be changed the wiring of main circuit or control circuit according to predetermined order and changes resistance value in circuit Starting, speed regulation, braking and reversely main for controlling motor enable device.By program counter, command register, Instruction decoding Device, clock generator and operation controller composition, it is publication order " policy-making body ".But it is directed to current motor Or for servo driving circuit, the design structure of control unit is more complicated, is unfavorable for actual production.

Utility model content

For the defects in the prior art, the utility model provides a kind of small controller and overcomes the prior art not Foot, design is simple, and integration degree is high, is conducive to production.

To achieve the goals above, a kind of small controller provided by the utility model, including chip U1, chip U3, core Piece U4, chip U5, chip U6 and chip U7；The chip U4 and chip U1 is electrically connected, the chip U4 and the core Piece U3 is electrically connected, and the chip U4 and the chip U5 are electrically connected, and the chip U5 and external USB port are electrically connected, The chip U1 is electrically connected with the chip U6 and chip U7 respectively.

As a kind of preferred embodiment of the application, the chip U1, the chip U3 and the chip U4 are ATMEGA328P cake core, the 27th pin of the chip U4 the 27th pin phase with the chip U1 and the chip U3 respectively Even, the 28th pin of the chip U4 is connected with the 28th pin of the chip U1 and the chip U3 respectively.

As a kind of preferred embodiment of the application, the chip U5 is FT232RL cake core, the of the chip U5 15 and 16 pins are electrically connected with the USB port of the outside respectively, the 1st pin of the chip U5 by resistance R12 with it is described The 31st pin of chip U4 is connected, and the 5th pin of the chip U5 passes through the 30th pin phase of resistance R11 and the chip U4 Even.

As a kind of preferred embodiment of the application, the chip U6 and the chip U7 are DRV8835 cake core, The 7th and 9 pins of the chip U6 are connected with the 14th pin of chip U1, the 8th and 10 pins and chip U1 of the chip U6 The 11st pin be connected, the 7th and 9 pins of the chip U7 are connected with the 13rd pin of chip U1, the 8th He of the chip U7 10 pins are connected with the 12nd pin of chip U1.

As a kind of preferred embodiment of the application, the small controller further includes chip U2 and chip U8, described The chip U2 and chip U8 is electrically connected, and the chip U8 and chip U1 are electrically connected, and the chip U8 and chip U3 are electrical Connection, the chip U8 and chip U4 are electrically connected, and the chip U8 and chip U5 are electrically connected, the chip U8 and chip U6 It is electrically connected, the chip U8 and chip U7 are electrically connected.

As a kind of preferred embodiment of the application, the chip U2 is LP38693 cake core, and the chip U8 is 1st and 4 pins of MIC2288 cake core, the chip U2 are connected with power supply+VCC respectively, the 3rd pin point of the chip U2 It is not connected with the 4th and 5 pins of the MIC2288 cake core.

The beneficial effects of the utility model are: small controller provided by the utility model is applicable to Various Complex item Part, structure is simple, rationally distributed, convenient for integrating, is made into small in volume after circuit board, is easily installed, reduce Costs of production and operation.

Detailed description of the invention

Fig. 1 is the block diagram of the utility model small controller embodiment；

Fig. 2 is the circuit diagram of the utility model chip U1 embodiment；

Fig. 3 is the circuit diagram of the utility model chip U2 embodiment；

Fig. 4 is the circuit diagram of the utility model chip U3 embodiment；

Fig. 5 is the circuit diagram of the utility model chip U4 embodiment；

Fig. 6 is the circuit diagram of the utility model chip U5 embodiment；

Fig. 7 is the circuit diagram of the utility model chip U6 and chip U7 embodiment；

Fig. 8 is the circuit diagram of the utility model chip U8 embodiment.

Specific embodiment

Specific embodiment of the utility model is described more fully below, it should be noted that the embodiments described herein is served only for For example, being not intended to limit the utility model.In the following description, in order to provide the thorough understanding to the utility model, Elaborate a large amount of specific details.It will be apparent, however, to one skilled in the art that: these certain details need not be used Section is to carry out the utility model.In other instances, in order to avoid obscuring the utility model, well known circuit is not specifically described, Software or method.

Throughout the specification, meaning is referred to " one embodiment ", " embodiment ", " example " or " example " : a particular feature, structure, or characteristic described in conjunction with this embodiment or example is comprised at least one implementation of the utility model In example.Therefore, the phrase " in one embodiment " in each place appearance of the whole instruction, " in embodiment ", " one Example " or " example " are not necessarily all referring to the same embodiment or example.Furthermore, it is possible in any suitable combination and or sub-portfolio By specific feature, structure or characteristic combination in one or more embodiment or examples.In addition, those of ordinary skill in the art It should be appreciated that diagram is provided to the purpose of explanation provided herein, and diagram is not necessarily drawn to scale.

As shown in Figure 1, small controller shown in the first embodiment of the utility model, including chip U1, chip U3, chip U4, chip U5, chip U6 and chip U7；The chip U4 and chip U1 is electrically connected, the chip U4 and institute Chip U3 electric connection is stated, the chip U4 and the chip U5 are electrically connected, and the chip U5 electrically connects with external USB port It connects, the chip U1 is electrically connected with the chip U6 and chip U7 respectively.

Specifically, the chip U5 is connected with USB port, the conversion of USB port and 232 serial ports can be realized, it can be more square Just send and receive data.The data sended over by usb protocol can be carried out converting and utilize 232 agreements by chip U5 It gives this Data Concurrent to chip U4, the signal is converted and sent to chip after chip U4 receives the signal of chip U5 U1, chip U1 control chip U6 or the work of chip U7 driving motor after receiving signal.

As illustrated in figs. 2 through 8, the chip U1, the chip U3 and the chip U4 are ATMEGA328P cake core, institute The 27th pin for stating chip U4 is connected with the 27th pin of the chip U1 and the chip U3 respectively, and the 28th of the chip U4 the Pin is connected with the 28th pin of the chip U1 and the chip U3 respectively.

Specifically, the ATMEGA328P cake core is a kind of embodiment of the utility model, another or In some embodiments, it can also be substituted using the chip of other models, herein with regard to not enumerated one by one.

In the present embodiment, the chip U5 be FT232RL cake core, the 15th and 16 pins of the chip U5 respectively with institute It states external USB port to be electrically connected, the 1st pin of the chip U5 passes through the 31st pin phase of resistance R12 and the chip U4 Even, the 5th pin of the chip U5 is connected by resistance R11 with the 30th pin of the chip U4.

Specifically, the FT232RL cake core can receive the data transmitted by usb protocol, then recycle 232 agreements send this data, everything is completed inside chip U5, intervene without user program etc..

In the present embodiment, the chip U6 and the chip U7 are DRV8835 cake core, and the 7th and 9 of the chip U6 the Pin is connected with the 14th pin of chip U1, and the 8th and 10 pins of the chip U6 are connected with the 11st pin of chip U1, described The 7th and 9 pins of chip U7 are connected with the 13rd pin of chip U1, and the of the 8th and 10 pins of the chip U7 and chip U1 12 pins are connected.

Specifically, the DRV8835 cake core, each H bridge of DRV8835 cake core is capable of providing the up to output of 1.5A Electric current.It runs in the motor power voltage range of 0V to 11V and the device power source voltage range of 2V to 7V.It may be selected Phase/enabled and IN/IN interface it is compatible with industrial standard device.Internal turn-off function is supported overcurrent protection, short-circuit protection, is owed Pressure locking and overheat protector.

In the present embodiment, the small controller further includes chip U2 and chip U8, the chip U2 and the chip U8 It is electrically connected, the chip U8 and chip U1 are electrically connected, and the chip U8 and chip U3 are electrically connected, the chip U8 and core Piece U4 is electrically connected, and the chip U8 and chip U5 are electrically connected, and the chip U8 and chip U6 are electrically connected, the chip U8 It is electrically connected with chip U7.The chip U2 is LP38693 cake core, and the chip U8 is MIC2288 cake core, the chip The 1st and 4 pins of U2 are connected with power supply+VCC respectively, the 3rd pin of the chip U2 respectively with the MIC2288 cake core 4th is connected with 5 pins.

Specifically, can be realized the conversion and management of power supply by the LP38693 cake core and MIC2288 cake core, Stabilized power supply is provided for each components of the small controller.

Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new The range of each embodiment technical solution of type, should all cover in the claim of the utility model and the range of specification.

Claims

1. a kind of small controller, it is characterised in that: including chip U1, chip U3, chip U4, chip U5, chip U6 and chip U7；The chip U4 and the chip U1 are electrically connected, and the chip U4 and the chip U3 are electrically connected, the chip U4 with The chip U5 is electrically connected, and the chip U5 and external USB port are electrically connected, the chip U1 respectively with the chip U6 It is electrically connected with the chip U7.

2. small controller according to claim 1, it is characterised in that: the chip U1, the chip U3 and the core Piece U4 is ATMEGA328P cake core, the 27th pin of the chip U4 respectively with the chip U1 and chip U3 27 pins are connected, and the 28th pin of the chip U4 is connected with the 28th pin of the chip U1 and the chip U3 respectively.

3. small controller according to claim 2, it is characterised in that: the chip U5 is FT232RL cake core, described The 15th and 16 pins of chip U5 are electrically connected with the USB port of the outside respectively, and the 1st pin of the chip U5 passes through resistance R12 is connected with the 31st pin of the chip U4, the 5th pin of the chip U5 pass through the resistance R11 and chip U4 the 30 pins are connected.

4. small controller according to claim 3, it is characterised in that: the chip U6 and the chip U7 are 7th and 9 pins of DRV8835 cake core, the chip U6 are connected with the 14th pin of chip U1, the 8th He of the chip U6 10 pins are connected with the 11st pin of chip U1, and the 7th and 9 pins of the chip U7 are connected with the 13rd pin of chip U1, institute The 8th and 10 pins for stating chip U7 are connected with the 12nd pin of chip U1.

5. small controller according to claim 4, it is characterised in that: the small controller further includes chip U2 and core Piece U8, the chip U2 and the chip U8 are electrically connected, and the chip U8 and chip U1 are electrically connected, the chip U8 and core Piece U3 is electrically connected, and the chip U8 and chip U4 are electrically connected, and the chip U8 and chip U5 are electrically connected, the chip U8 It is electrically connected with chip U6, the chip U8 and chip U7 are electrically connected.

6. small controller according to claim 5, it is characterised in that: the chip U2 is LP38693 cake core, described Chip U8 is MIC2288 cake core, and the 1st and 4 pins of the chip U2 are connected with power supply+VCC respectively, the of the chip U2 3 pins are connected with the 4th and 5 pins of the MIC2288 cake core respectively.