CN209167849U - A kind of multistage communication circuit for single-chip microcontroller - Google Patents

Abstract

The utility model provides a kind of multistage communication circuit for single-chip microcontroller, including power switch and voltage-stablizer, voltage-stablizer is located on the right side of power switch, and voltage-stablizer and power switch are electrically connected the right side of voltage-stablizer equipped with controller, and controller and voltage-stablizer are electrically connected, fault self-checking is equipped on the right side of controller, and fault self-checking and controller are electrically connected, lower section on the right side of fault self-checking is equipped with single-chip microcontroller, and single-chip microcontroller and fault self-checking are electrically connected, single-chip microcontroller lower right is equipped with by control article, and is electrically connected by control article and single-chip microcontroller.By single-chip microcontroller, condition code is set, condition code passes through program write-in characteristic, user can carry out mark scanning to instruction code when transmitting instruction code, when such as encountering with destroy and steal plus code, and code and notification controller is isolated, solves the problem of previous single-chip microcontroller security performance is poor, and data confidentiality is dangerous, be easy to cause leaking data.

Description

A kind of multistage communication circuit for single-chip microcontroller

Technical field

The utility model relates to singlechip technology field, specially a kind of multistage communication circuit for single-chip microcontroller.

Background technique

Single-chip microcontroller is a kind of embedded micro controller, and use scope is wide, is a minicomputer system.

Existing single-chip microcontroller, security performance is poor, and data confidentiality is dangerous, be easy to cause leaking data, existing monolithic Machine, single-chip microcontroller does not have fault detection, and will not sound an alarm and notify user, and you can not be prompted specifically to damage component, existing Some single-chip microcontrollers, in the too low situation of temperature, single-chip microcontroller can not work, and temperature is too high to be easy to burn single-chip microcontroller.

Utility model content

Purpose of the utility model is to solve disadvantages existing in the prior art, and the one kind proposed is used for single-chip microcontroller Multistage communication circuit.

To achieve the goals above, the utility model is adopted the technical scheme that including power switch and voltage-stablizer, institute It states voltage-stablizer to be located on the right side of power switch, and voltage-stablizer and power switch are electrically connected；

The right side of the voltage-stablizer is equipped with controller, and controller and voltage-stablizer are electrically connected, and are set on the right side of the controller Faulty self-test, and fault self-checking and controller are electrically connected, the lower section on the right side of the fault self-checking is equipped with single-chip microcontroller, and monolithic Machine and fault self-checking are electrically connected, and the single-chip microcontroller lower right is equipped with by control article, and electrical by control article and single-chip microcontroller Connection.

Preferably, the top on the right side of the single-chip microcontroller is equipped with ring alarm bell, and ring alarm bell and single-chip microcontroller electric connection, the ring It is equipped with fault code on the right side of alarm bell to show, and fault code shows and is electrically connected with ring alarm bell.

Preferably, it is equipped with thermostat at the top of the single-chip microcontroller, temperature sense is equipped between the single-chip microcontroller and thermostat It answers, and thermostat and single-chip microcontroller are clamped, and temperature sense is fixedly connected with single-chip microcontroller and thermostat.

Preferably, thermoregulator is equipped at the top of the thermostat, and thermoregulator insertion is set to thermostat In, it is equipped with device on the right side of the thermostat and switchs, and device switch insertion is set in thermostat.

Preferably, USB interface is equipped with below the single-chip microcontroller, and USB interface and single-chip microcontroller are electrically connected.

Preferably, code scans are equipped with below the controller, and code scans and controller are electrically connected, the code Scanning right side is equipped with code filters, and code filters and code scans are electrically connected, and are swept on the right side of the code filters equipped with feature It retouches, and mark scanning and code filters are electrically connected.

Compared with prior art, the utility model has the beneficial effects that

(1) condition code is arranged in this kind of single-chip microcontroller, and condition code is by program write-in characteristic, and user is when transmitting instruction code Mark scanning can be carried out to instruction code, when such as encountering with destroy and steal plus code, and code be isolated and notifies to control Device solves the problem of previous single-chip microcontroller security performance is poor, and data confidentiality is dangerous, be easy to cause leaking data.

(2) this kind of single-chip microcontroller is provided with code scans, since code scans can carry out the instruction code of controller tentatively Scanning, if instruction is wrong, instruction will be fed back on controller, and remind user.

(3) fault self-checking is arranged in this kind of single-chip microcontroller, and since user is when controller assigns instruction, fault self-checking will be right Circuit operation element carries out obstacle investigation, reminds user when circuit operation element is problematic, and through ring alarm bell, and pass through Fault code shows the components codes for the problem of will be displayed with, and solves previous single-chip microcontroller without fault detection, and will not send out Alert notification user out, and the problem of you can not be prompted specifically to damage component.

(4) thermostat is arranged in this kind of single-chip microcontroller, and due to using working environment different, single-chip microcontroller is under temperature low environment It can not work, be easy to burn under the high environment of temperature, thermostat keeps constant temperature to single-chip microcontroller by adjusting temperature, avoids Single machine piece, which is led to the problem of, can not work or damage.

(5) voltage-stablizer is arranged in this kind of single-chip microcontroller, since the voltage and current at power switch may be unstable, can not give circuit Voltage and current at power switch can be handled, the voltage and current of processing is put down by one stable power supply environment, voltage-stablizer Steady supply circuit.

Detailed description of the invention

Fig. 1 is the overall structure diagram of the utility model；

Fig. 2 is the overall flow schematic diagram of the utility model；

Fig. 3 is the thermostat partial schematic diagram of the utility model.

Figure label: 1, power switch, 2, voltage-stablizer, 3, controller, 4, fault self-checking, 5, single-chip microcontroller, 6, ring alarm bell, 7, Fault code shows, 8, code scans, 9, code filters, 10, mark scanning, 11, USB interface, 12, by control article, 13, permanent Warm device, 14, temperature sense, 15, thermoregulator, 16, device switch.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Power switch 1, voltage-stablizer 2 used in the utility model, controller 3, fault self-checking 4, single-chip microcontroller 5, ring alarm bell 6, fault code show 7, code scans 8, code filters 9, mark scanning 10, USB interface 11, by control article 12, constant temperature fill Setting 13, temperature sense 14, thermoregulator 15 and device switch 16 can be as obtained by being bought market or individual is customized, specifically The routine operation of model this field is not being repeated.

7 model of above controller are as follows: 1 model KCD4-202N of power switch；

2 model CL9904A12L5M of voltage-stablizer；

3 model 3G20-7X-X of controller；

Fig. 1-3 is please referred to, the utility model provides a kind of technical solution: a kind of multistage communication circuit for single-chip microcontroller, Including power switch 1 and voltage-stablizer 2, voltage-stablizer 2 is located at 1 right side of power switch, and voltage-stablizer 2 electrically connects with power switch 1 It connects, the right side of voltage-stablizer 2 is equipped with controller 3, and controller 3 and voltage-stablizer 2 are electrically connected, and failure is equipped on the right side of controller 3 certainly Inspection 4, and fault self-checking 4 is electrically connected with controller 3, the lower section on 4 right side of fault self-checking is equipped with single-chip microcontroller 5, and single-chip microcontroller 5 and event Hinder self-test 4 to be electrically connected, 5 lower right of single-chip microcontroller is equipped with by control article 12, and is electrically connected by control article 12 with single-chip microcontroller 5 It connects, the top on 5 right side of single-chip microcontroller is equipped with ring alarm bell 6, and ring alarm bell 6 and single-chip microcontroller 5 are electrically connected, and is equipped with event on the right side of the alarm bell 6 that rings Barrier code shows 7, and fault code shows that 7 are electrically connected with ring alarm bell 6, and thermostat 13, single-chip microcontroller are equipped at the top of single-chip microcontroller 5 Temperature sense 14 is equipped between 5 and thermostat 13, and thermostat 13 and single-chip microcontroller 5 are clamped, and temperature sense 14 and monolithic Machine 5 is fixedly connected with thermostat 13, thermoregulator 15 is equipped at the top of thermostat 13, and the insertion of thermoregulator 15 is set It is placed in thermostat 13, device switch 16 is equipped on the right side of thermostat 13, and the insertion of device switch 16 is set to thermostat In 13, usb 11 is equipped with below single-chip microcontroller 5, and usb 11 and single-chip microcontroller 5 are electrically connected, and generation is equipped with below controller 3 Code scanning 8, and code scans 8 and controller 3 are electrically connected, is equipped with code filters 9 on the right side of code scans 8, and code filters 9 with Code scans 8 are electrically connected, and mark scanning 10 are equipped on the right side of code filters 9, and mark scanning 10 electrically connects with code filters 9 It connects.

Working principle: utility model device when in use, firstly, 1 power supply line of power switch is connected at power supply, It is closed by power switch 1, the voltage and current of power switch 1 will be put down the voltage and current of processing by voltage-stablizer 2, voltage-stablizer 2 Steady supply circuit, when controller 3 assigns instruction code, fault self-checking 4 can check circuit operation element, such as check Out of joint, ring alarm bell 6 will sound sound, and faulty element will be shown in fault code by code and show on 7, such as There is no problem, and instruction code will be conveyed at code scans 8, and code scans 8 will carry out preliminary scanning to instruction code, With the presence or absence of instruction code mistake, such as there is mistake, instruction code will return in controller 3, if instruction code is normal, instruct generation Code can pass through code filters 9, and code filters 9 carry out safely analysis filtering to instruction code, if instruction code is dangerous, instruction Code will be fed back in controller 3, and if instruction code is normal, instruction code will be by mark scanning 10, and mark scanning 10 is logical Feature database is crossed to data to the further safety inspection of instruction code, as instruction code is dangerous, it will instruction code is intercepted, And further instruction code is analyzed, and instruction code is transferred in controller 3, if instruction code is normal, instruction code will The data information of processing can be sent to the article 12 controlled by single-chip microcontroller 5, single-chip microcontroller 5, make the article 12 controlled will be real The instruction being now given, single-chip microcontroller 5 make in different operating environment, open thermostat 13, temperature sense by device switch 16 14 acquire the temperature of single-chip microcontrollers 5 and display, are carried out when the temperature is excessively high by 15 regulating thermostatic device of thermoregulator to single-chip microcontroller 5 Heat dissipation stablizes 5 temperature of single-chip microcontroller in safe range, and above is exactly the entire working principle of the utility model.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (6)

1. a kind of multistage communication circuit for single-chip microcontroller, including power switch (1) and voltage-stablizer (2), it is characterised in that: described Voltage-stablizer (2) is located on the right side of power switch (1), and voltage-stablizer (2) and power switch (1) are electrically connected；

The right side of the voltage-stablizer (2) is equipped with controller (3), and controller (3) and voltage-stablizer (2) are electrically connected, the control Fault self-checking (4) are equipped on the right side of device (3), and fault self-checking (4) and controller (3) are electrically connected, on the right side of the fault self-checking (4) Lower section be equipped with single-chip microcontroller (5), and single-chip microcontroller (5) and fault self-checking (4) are electrically connected, and single-chip microcontroller (5) lower right is equipped with It is electrically connected by control article (12), and by control article (12) and single-chip microcontroller (5).

2. a kind of multistage communication circuit for single-chip microcontroller according to claim 1, it is characterised in that: the single-chip microcontroller (5) top on the right side of is equipped with ring alarm bell (6), and alarm bell (6) and single-chip microcontroller (5) electric connection of ringing, and sets on the right side of the ring alarm bell (6) Faulty code is shown (7), and fault code shows that (7) and ring alarm bell (6) are electrically connected.

3. a kind of multistage communication circuit for single-chip microcontroller according to claim 1, it is characterised in that: the single-chip microcontroller (5) top is equipped with thermostat (13), is equipped with temperature sense (14) between the single-chip microcontroller (5) and thermostat (13), and permanent Warm device (13) and single-chip microcontroller (5) are clamped, and temperature sense (14) is fixedly connected with single-chip microcontroller (5) and thermostat (13).

4. a kind of multistage communication circuit for single-chip microcontroller according to claim 3, it is characterised in that: the thermostat (13) top is equipped with thermoregulator (15), and thermoregulator (15) insertion is set in thermostat (13), the constant temperature Device switch (16) is equipped on the right side of device (13), and device switch (16) insertion is set in thermostat (13).

5. a kind of multistage communication circuit for single-chip microcontroller according to claim 1, it is characterised in that: the single-chip microcontroller (5) lower section is equipped with USB interface (11), and USB interface (11) and single-chip microcontroller (5) are electrically connected.

6. a kind of multistage communication circuit for single-chip microcontroller according to claim 1, it is characterised in that: the controller (3) lower section is equipped with code scans (8), and code scans (8) and controller (3) are electrically connected, and are set on the right side of the code scans (8) Have code filters (9), and code filters (9) and code scans (8) are electrically connected, and feature is equipped on the right side of the code filters (9) It scans (10), and mark scanning (10) and code filters (9) are electrically connected.