CN212811662U - MOS tube switching circuit - Google Patents

Abstract

The utility model relates to the MOS transistor field, in particular to a MOS transistor switch circuit, which transforms voltage through a voltage conversion device, detects whether the converted voltage and current data is within a limit value through a first voltage tester and a first current tester, balances current and voltage through a capacitor, ensures the stable use of the switch circuit, prolongs the service life and the performance of the MOS transistor, the capacitor is also connected with a second voltage tester and a second current tester in series, detects the data measured by the first voltage tester, the second current tester, the second voltage tester and the first current tester in real time through a detection device, feeds back the data to a controller, when the difference is too large, the controller controls a breaker to cut off power supply, thereby improving the safety, prolonging the service life, the switch circuit can be remotely controlled through a wireless connection module, the operation and control performance is improved.

Description

MOS tube switching circuit

Technical Field

The utility model relates to a MOS manages the field, specifically is a MOS manages switch circuit.

Background

In the use process of the MOS transistor, the MOS transistor is usually used in series to provide a higher output voltage and a larger electric energy capacity to meet the requirement of load driving, however, due to the limitation of the process conditions, a certain difference may exist between the battery cells, and although the problem of the difference between the voltage and the current may be solved by grouping, after a plurality of charging and conducting cycles, a larger voltage difference may still be generated, so that the switching circuit becomes unstable, and the use performance and the service life of the MOS transistor are further affected.

Therefore, it is desirable to provide an equalization circuit to solve the current and voltage difference problem between circuits used in the prior art.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a to prior art not enough, the utility model provides a safe durable, convenient to use's MOS manages switch circuit.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model discloses a MOS manages switching circuit, which comprises a body, the body includes controller, circuit breaker, voltage conversion equipment, first voltage tester, second current tester, second voltage tester, condenser, first current tester, detection device and start key, controller, circuit breaker, voltage conversion equipment, first voltage tester, second current tester, second voltage tester, condenser, first current tester and detection device set up inside the body, be equipped with the wire between circuit breaker and controller and the voltage conversion equipment and be connected, first voltage tester and first current tester set up between voltage conversion equipment and condenser, and be equipped with the wire and connect, condenser series connection second current tester and second voltage tester, first voltage tester, second current tester, Be equipped with the wire between second voltage tester and first current tester and the detection device and be connected, be equipped with the wire between detection device and the controller and be connected, the start key sets up the outside at the body, be equipped with the wire between start key and the controller and be connected, this internal wireless connection device that still is equipped with, be equipped with the wire between wireless connection device and the controller and be connected, the outside of body is equipped with the power mouth, power mouth external power supply, be equipped with the wire between circuit breaker and the power mouth and be connected.

For connecting a plurality of MOS pipes in order to make things convenient for, the utility model discloses the further improvement has, the condenser is equipped with a plurality ofly, just parallelly connected between condenser and the condenser.

For the installation is fixed in convenience, the utility model discloses it has to make a perfect understanding, the body includes the mount pad, be equipped with the bolt hole on the mount pad, the bolt hole is located the edge of mount pad, be equipped with construction bolt on the bolt hole.

For the convenience observe the starting condition, the utility model discloses the further improvement has, be equipped with the pilot lamp on the body, the pilot lamp is installed in the below of start key, just be equipped with the wire between pilot lamp and the controller and be connected.

For the ventilation of dispelling the heat in order to make things convenient for, the utility model discloses the further improvement has, be equipped with the thermovent on the body, the thermovent is equipped with a plurality ofly, just the thermovent sets up front side and the rear side at the body.

In order to prevent that the thermovent from easily advancing the dust, the utility model discloses the further improvement has, the inside dust screen that is equipped with of body, the dust screen is located thermovent department.

In order to improve the safety, the utility model discloses the further improvement has, the inside resistor that is equipped with of body, just the resistor setting is between voltage conversion equipment and first voltage tester.

(III) advantageous effects

Compared with the prior art, the utility model provides a MOS manages switch circuit possesses following beneficial effect:

this MOS manages switching circuit carries out the vary voltage through voltage conversion equipment, whether the voltage current data after detecting the conversion through first voltage tester and first current tester is in the limit value, carry out the balance through condenser to electric current and voltage, guarantee switching circuit's stable use, the life and the performance of extension MOS pipe, the condenser still establishes ties has second voltage tester and second current tester, detect first voltage tester through detection device real-time, the second current tester, the data that second voltage tester and first current tester surveyed, feed back to the controller, when too big with the limited difference, controller control circuit breaker cuts off the power supply, thereby promote the security, increase of service life, can carry out remote control to switching circuit through wireless connection module, improve and control the performance.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic front view of the present invention;

FIG. 3 is a schematic cross-sectional view of the present invention;

in the figure: 1. a controller; 2. a circuit breaker; 3. a voltage conversion device; 4. a first voltage tester; 5. a resistor; 6. a second current tester; 7. a second voltage tester; 8. a capacitor; 9. a first current tester; 10. a wireless connection module; 11. a detection device; 12. installing a bolt; 13. a mounting seat; 14. a start key; 15. an indicator light; 16. a heat dissipation port; 17. a body; 18. a power port;

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the MOS switch circuit of the present invention includes a body 17, wherein the body 17 includes a controller 1, a circuit breaker 2, a voltage conversion device 3, a first voltage tester 4, a second current tester 6, a second voltage tester 7, a capacitor 8, a first current tester 9, a detection device 11, and a start key 14, the controller 1, the circuit breaker 2, the voltage conversion device 3, the first voltage tester 4, the second current tester 6, the second voltage tester 7, the capacitor 8, the first current tester 9, and the detection device 11 are disposed inside the body 17, the circuit breaker 2 is connected to the controller 1 and the voltage conversion device 3 by a wire, the first voltage tester 4 and the first current tester 9 are disposed between the voltage conversion device 3 and the capacitor 8 by a wire, capacitor 8 establishes ties second current tester 6 and second voltage tester 7, be equipped with the wire between first voltage tester 4, second current tester 6, second voltage tester 7 and first current tester 9 and the detection device 11 and be connected, be equipped with the wire between detection device 11 and the controller 1 and be connected, start key 14 sets up the outside at body 17, it is connected to be equipped with the wire between start key 14 and the controller 1, still be equipped with wireless connection device in the body 17, be equipped with the wire between wireless connection device and the controller 1 and be connected, the outside of body 17 is equipped with power mouth 18, power mouth 18 external power supply, be equipped with the wire between circuit breaker 2 and the power mouth 18 and be connected.

When the MOS tube switch circuit of the utility model is used, firstly, the controller 1 is started through the start key 14 to control the breaker 2 and the power port 18 to switch on the external power supply, then the voltage conversion device 3 is used for transforming voltage, whether the voltage and current data after conversion is detected through the first voltage tester 4 and the first current tester 9 is in a limit value or not, the current and the voltage are balanced through the capacitor 8, the stable use of the switch circuit is ensured, the service life and the performance of the MOS tube are prolonged, the capacitor 8 is also connected in series with the second voltage tester 7 and the second current tester 6, the data detected by the first voltage tester 4, the second current tester 6, the second voltage tester 7 and the first current tester 9 are detected in real time through the detection device 11, the data are fed back to the controller 1, when the difference is too large with the limit, the controller 1 controls the breaker 2 to cut off the power supply, therefore, the safety is improved, the service life is prolonged, the switch circuit can be remotely controlled through the wireless connection module 10, and the control performance is improved.

In order to connect a plurality of MOS pipes conveniently, the utility model discloses the further improvement has, condenser 8 is equipped with a plurality ofly, just parallelly connected between condenser 8 and the condenser 8.

For the convenience of installation fixing, the utility model discloses the further improvement has, body 17 includes mount pad 13, be equipped with the bolt hole on the mount pad 13, the bolt hole is located the edge of mount pad 13, be equipped with construction bolt 12 on the bolt hole.

For the convenience of observing the starting state, the utility model discloses the further improvement has, be equipped with pilot lamp 15 on the body 17, pilot lamp 15 is installed in the below of start key 14, just be equipped with the wire between pilot lamp 15 and the controller 1 and be connected.

In order to facilitate heat dissipation and ventilation, the utility model discloses the further improvement has, be equipped with thermovent 16 on body 17, thermovent 16 is equipped with a plurality ofly, just thermovent 16 sets up front side and rear side at body 17.

In order to prevent that thermovent 16 from easily advancing the dust, the utility model discloses the further improvement has, the inside dust screen that is equipped with of body 17, the dust screen is located thermovent 16 departments.

In order to improve the safety, the present invention further improves the structure that the resistor 5 is arranged inside the body 17, and the resistor 5 is arranged between the voltage conversion device 3 and the first voltage tester 4.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The MOS tube switch circuit is characterized by comprising a body (17), wherein the body (17) comprises a controller (1), a circuit breaker (2), a voltage conversion device (3), a first voltage tester (4), a second current tester (6), a second voltage tester (7), a capacitor (8), a first current tester (9), a detection device (11) and a start key (14), the controller (1), the circuit breaker (2), the voltage conversion device (3), the first voltage tester (4), the second current tester (6), the second voltage tester (7), the capacitor (8), the first current tester (9) and the detection device (11) are arranged inside the body (17), a lead is arranged between the circuit breaker (2) and the controller (1) as well as between the circuit breaker (3), and the first voltage tester (4) and the first current tester (9) are arranged inside the voltage conversion device (17), and the first voltage tester (4) and the first current tester (9) are arranged between the voltage conversion device (1) (3) The power supply device is connected with a capacitor (8) through a wire, the capacitor (8) is connected with a second current tester (6) and a second voltage tester (7) in series, the first voltage tester (4), the second current tester (6), the second voltage tester (7), a first current tester (9) and a detection device (11) through wires are connected, the detection device (11) and a controller (1) are connected through wires, a starting key (14) is arranged on the outer side of a body (17), the starting key (14) and the controller (1) are connected through wires, a wireless connection device is further arranged in the body (17), the wireless connection device is connected with the controller (1) through wires, a power supply port (18) is arranged on the outer side of the body (17), and the power supply port (18) is externally connected with a power supply, and a wire is arranged between the circuit breaker (2) and the power supply port (18) for connection.

2. A MOS transistor switch circuit according to claim 1, wherein a plurality of capacitors (8) are provided, and the capacitors (8) are connected in parallel with each other between the capacitors (8).

3. A MOS transistor switch circuit according to claim 1, wherein the body (17) comprises a mounting base (13), the mounting base (13) is provided with a bolt hole, the bolt hole is located at a corner of the mounting base (13), and the bolt hole is provided with a mounting bolt (12).

4. A MOS transistor switch circuit according to claim 1, wherein the body (17) is provided with an indicator light (15), the indicator light (15) is installed below the start key (14), and a wire connection is provided between the indicator light (15) and the controller (1).

5. A MOS transistor switch circuit according to claim 1, wherein the body (17) is provided with a plurality of heat dissipating ports, and the plurality of heat dissipating ports (16) are provided at front and rear sides of the body (17).

6. A MOS transistor switch circuit according to any of claims 1 to 5, wherein a dust screen is provided inside the body (17) and is located at the heat dissipation port (16).

7. A MOS transistor switch circuit according to claim 1, characterized in that the resistor (5) is arranged inside the body (17), and the resistor (5) is arranged between the voltage conversion means (3) and the first voltage tester (4).

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