CN214670131U

CN214670131U - High-safety control circuit

Info

Publication number: CN214670131U
Application number: CN202022048952.4U
Authority: CN
Inventors: 雷易华
Original assignee: Shenzhen Puresis Intelligent Equipment Co ltd
Current assignee: Shenzhen Puresis Intelligent Equipment Co ltd
Priority date: 2020-09-17
Filing date: 2020-09-17
Publication date: 2021-11-09
Anticipated expiration: 2030-09-17

Abstract

The utility model discloses a high-safety control circuit, which comprises a control circuit, wherein the control circuit comprises a microprocessor, a display module, a heat dissipation control module, a switch module, a timing/reservation module, a voltage detection module, a current detection module, a power failure detection module, a temperature detection module, a wireless transmission module and a current protection module; the output ends of the voltage detection module, the current detection module, the power failure detection module, the temperature detection module, the wireless transmission module and the timing/reservation module are all connected with the input end of the microprocessor, and the output end of the microprocessor is connected with the input ends of the display module, the time sequence control module, the heat dissipation control module and the wireless transmission module; the output end of the time sequence control module is connected with the input end of the switch module; the switch module comprises an output socket and is switched on when the current is smaller than a set value.

Description

High-safety control circuit

Technical Field

The utility model relates to a high security control circuit.

Background

Some current control circuits have the following disadvantages:

1. the charging time for fully charging all the equipment is long, when the equipment to be charged is inserted into a vacant position, the vacant position cannot be automatically skipped, the vacant position occupies the number of the sockets, when the high-power electric equipment is inserted by mistake, the power supply of the sockets cannot be automatically turned off, the circuit and the sockets are burnt seriously, and a fire disaster is caused.

2. Because the quantity of the charging equipment is fixed in advance by the sectional charging technology, if a user mistakenly inserts high-power equipment, a switch can be tripped, and a circuit and a socket can be burnt seriously to cause a fire; the other segmented charging technology needs manual switching, and manpower is wasted.

3. The surge current at the moment of power-on is large, which can cause switch tripping or fuse burnout, or cause power supply failure of the whole room and even the whole building, and the power supply is restored again after short-time power failure, and the power-on surge current is large under the condition that soft start (adopting a thermistor) is not cooled.

4. The charging time can not be reserved, the charging time per day can not be accurately set, holidays or other time which does not need to be charged can not be set, the product is not in a standby state, electric energy is wasted, and the service life of the product is shortened.

5. The charging current, the grid voltage and the charging power can not be checked in real time or remotely, the protection values can not be set by self-definition, and the requirement of real-time monitoring data on a specific occasion can not be met.

6. The remote startup and shutdown, the setting of the protection value and the setting of the working time cannot be realized.

7. The fan is always in a starting state, noise is generated, electric energy is consumed, and the service life of the fan is shortened.

8. When the user uses the machine improperly or operates the machine by mistake, the machine leaks electricity, which causes life danger to the human moving objects.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a can solve a high security control circuit of above-mentioned problem.

The utility model discloses a realize through following technical scheme: a high-safety control circuit comprises a control circuit, wherein the control circuit comprises a microprocessor, a display module, a heat dissipation control module, a switch module, a timing/reservation module, a voltage detection module, a current detection module, a power failure detection module, a temperature detection module, a wireless transmission module and a current protection module; the output ends of the voltage detection module, the current detection module, the power failure detection module, the temperature detection module, the wireless transmission module and the timing/reservation module are all connected with the input end of the microprocessor, and the output end of the microprocessor is connected with the input ends of the display module, the time sequence control module, the heat dissipation control module and the wireless transmission module; the output end of the time sequence control module is connected with the input end of the switch module; the switch module comprises an output socket, when the current is smaller than a set value, the output socket is continuously switched on to supply power, when the current is larger than the set value, the output residual socket is stopped to be switched on, when the current is smaller than the set value again, the residual output socket is continuously switched on, and when the current is larger than a set protection value, the switched-on output socket is automatically switched off.

As a preferred technical scheme, the current protection module comprises an alternating current input module, a leakage protection module, an overcurrent protection module and a short-circuit protection module; the output end of the alternating current input module is connected with the input end of the leakage protection module, the output end of the leakage protection module is connected with the input end of the overcurrent protection module, the output end of the overcurrent protection module is connected with the input end of the short-circuit protection module, and the protection module is connected with the switch module, the voltage detection module, the current detection module and the power failure detection module.

As a preferred technical scheme, the switch module comprises a switch, a soft start and an output socket.

As a preferred technical scheme, the microprocessor is connected with an external terminal through a wireless transmission module.

The utility model has the advantages that:

1. the working current of the product is monitored in real time, when the current is smaller than a set value, the socket is continuously opened for supplying power, when the current is larger than the set value, the remaining sockets are stopped being opened, when the current is smaller than the set value again, the remaining sockets are continuously opened, and when the current is larger than a set protection value, the opened sockets are automatically closed, so that the working current of the product is reduced, and the product, a wall socket, an electric wire and the like are protected from being damaged by overheating.

2. The soft start (adopting the thermistor) and the time schedule controller are adopted to reduce the startup surge current, the power supply is recovered again after short-time power failure, and the timer is adopted to automatically delay startup under the condition that the soft start (adopting the thermistor) is not cooled, so that the current surge current is reduced.

3. Adopt time switch/timer, set for operating time, the product is in standby state when out of work, can also realize remote control on-off time through WIFI or net twine.

4. After sampling the voltage, current, power isoparametric of product, with the digit directly perceivedly show for the user, use software or APP to realize the settlement of protective value, can realize remote control switch and look over operating condition in real time through WIFI or net twine.

5. A leakage protector is added, and when the electric leakage is unexpected or an electric shock accident occurs, the power supply of the product is automatically turned off.

6. The fan is controlled to start by detecting the working current of the product or the internal temperature, and the rotating speed of the fan is controlled at the same time.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic circuit diagram of the present invention.

Detailed Description

All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.

Any feature disclosed in this specification (including any accompanying claims, abstract and drawings), may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.

In the description of the present invention, it is to be understood that the terms "one end", "the other end", "the outside", "upper", "inside", "horizontal", "coaxial", "central", "end", "length", "outer end", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, in the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

The use of terms herein such as "upper," "above," "lower," "below," and the like in describing relative spatial positions is for the purpose of facilitating description to describe one element or feature's relationship to another element or feature as illustrated in the figures. The spatially relative positional terms may be intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "below" can encompass both an orientation of above and below. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

In the present invention, unless otherwise explicitly specified or limited, the terms "set", "coupled", "connected", "penetrating", "plugging", and the like are to be understood in a broad sense, and may be, for example, fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

As shown in fig. 1, the device comprises a control circuit, wherein the control circuit comprises a microprocessor, a display module, a heat dissipation control module, a switch module, a timing/reservation module, a voltage detection module, a current detection module, a power failure detection module, a temperature detection module, a wireless transmission module and a current protection module; the output ends of the voltage detection module, the current detection module, the power failure detection module, the temperature detection module, the wireless transmission module and the timing/reservation module are all connected with the input end of the microprocessor, and the output end of the microprocessor is connected with the input ends of the display module, the time sequence control module, the heat dissipation control module and the wireless transmission module; the output end of the time sequence control module is connected with the input end of the switch module; the switch module comprises an output socket, when the current is smaller than a set value, the output socket is continuously switched on to supply power, when the current is larger than the set value, the output residual socket is stopped to be switched on, when the current is smaller than the set value again, the residual output socket is continuously switched on, and when the current is larger than a set protection value, the switched-on output socket is automatically switched off.

The current protection module comprises an alternating current input module, a leakage protection module, an overcurrent protection module and a short-circuit protection module; the output end of the alternating current input module is connected with the input end of the leakage protection module, the output end of the leakage protection module is connected with the input end of the overcurrent protection module, the output end of the overcurrent protection module is connected with the input end of the short-circuit protection module, and the protection module is connected with the switch module, the voltage detection module, the current detection module and the power failure detection module.

The switch module comprises a switch, a soft start and an output socket.

Wherein, the microprocessor is connected with an external terminal through the wireless transmission module.

In the device:

1. the sampling mode of the mode of monitoring the working current of the product in real time is a mutual inductor, but the current sampling can also be realized by a resistor and a Hall element device, so that the resistor and the Hall element device are used for sampling as an alternative scheme.

2. The socket is switched on in sequence by adopting a time sequence control circuit, but can also be switched on randomly or in a reverse sequence, and can be regarded as an alternative scheme.

3. The reserved startup is realized by software timing, but the reserved startup can also be realized by mechanical timing, so the mechanical timing is an alternative.

4. Remote control may be achieved through WIFI or a network cable, but may be achieved through GPRS, bluetooth, etc. networking with other devices, and thus these are considered alternatives.

5. The residual current circuit breaker is adopted to realize the leakage protection, but the self-control circuit can also be adopted to detect the current difference between the live wire and the zero wire and protect the current of the ground wire, so the following mode is adopted as an alternative scheme.

6. The soft start is realized by a thermistor, but can also be realized by a common resistor or a common resistor and a relay, so the following way is regarded as an alternative.

In the technical scheme:

2. The soft start and time sequence controller is adopted to reduce the start-up surge current, the power supply is recovered again after short-time power failure, and the timer is adopted to automatically delay the start-up under the condition that the soft start (adopting the thermistor) is not cooled, so that the flow current is reduced.

4. After sampling parameters such as voltage, current and power of the product, the parameters are visually displayed for a user by using numbers, setting of a protection value is realized by using software or APP, and a remote control switch and a real-time checking working state can be realized through WIFI or a network cable.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the creative work should be covered within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope defined by the claims.

Claims

1. A high security control circuit, includes control circuit, its characterized in that: the control circuit comprises a microprocessor, a display module, a heat dissipation control module, a switch module, a timing/reservation module, a voltage detection module, a current detection module, a power failure detection module, a temperature detection module, a wireless transmission module and a current protection module; the output ends of the voltage detection module, the current detection module, the power failure detection module, the temperature detection module, the wireless transmission module and the timing/reservation module are all connected with the input end of the microprocessor, and the output end of the microprocessor is connected with the input ends of the display module, the time sequence control module, the heat dissipation control module and the wireless transmission module; the output end of the time sequence control module is connected with the input end of the switch module; the switch module comprises an output socket.

2. A high-safety control circuit as claimed in claim 1, wherein: the current protection module comprises an alternating current input module, a leakage protection module, an overcurrent protection module and a short-circuit protection module; the output end of the alternating current input module is connected with the input end of the leakage protection module, the output end of the leakage protection module is connected with the input end of the overcurrent protection module, the output end of the overcurrent protection module is connected with the input end of the short-circuit protection module, and the protection module is connected with the switch module, the voltage detection module, the current detection module and the power failure detection module.

3. A high-safety control circuit as claimed in claim 1, wherein: the switch module comprises a switch and a soft start.

4. A high-safety control circuit as claimed in claim 1, wherein: the microprocessor is connected with an external terminal through a wireless transmission module.