CN211456796U - Power wire coil based on energy storage inversion - Google Patents
Power wire coil based on energy storage inversion Download PDFInfo
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- CN211456796U CN211456796U CN202020456351.4U CN202020456351U CN211456796U CN 211456796 U CN211456796 U CN 211456796U CN 202020456351 U CN202020456351 U CN 202020456351U CN 211456796 U CN211456796 U CN 211456796U
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Abstract
The utility model discloses a power wire coil based on energy storage inversion, which comprises an alternating current power supply input interface, a switch power supply module, a charging protection module, an energy storage unit, a discharging protection module, a temperature protection module, an inversion module, a switch switching module and an alternating current power supply socket; the temperature protection module comprises a temperature detection unit, a first control unit and a first MOS switch; the switch switching module comprises a voltage detection unit, a second control unit and a second MOS switch. The utility model designs the energy storage unit, the inversion module and the switch switching module while taking into account the traditional power taking function, and can automatically and rapidly switch to the energy storage unit for power supply when the external alternating current power supply is input and cut off; when providing alternating current power supply socket and carrying out alternating current power supply, still provide two direct current output interfaces, carry out direct current output outward, no matter whether outside alternating current power supply input outage, the homoenergetic normally carries out direct current output power supply.
Description
Technical Field
The utility model relates to a power drum especially relates to a power drum based on energy storage contravariant.
Background
When the maintainer or electrical working personnel are carrying out maintenance, test or other illumination operations, the power drum is that test instrument, equipment, circuit build essential power supply unit, nevertheless has these problems among the practical application:
firstly, when a plurality of test works are carried out simultaneously, the problem that the power-taking port of the terminal box is insufficient is faced;
and secondly, the terminal box power-taking socket is likely to be pulled out by mistake, so that the instrument in test is suddenly powered off, and data is lost.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's not enough, provide a power drum based on energy storage contravariant, compromise traditional getting the electric function simultaneously, design energy storage unit and contravariant module and switch module can externally switch to the power supply of energy storage unit when alternating current power supply input outage automatically fast.
The purpose of the utility model is realized through the following technical scheme: the utility model provides a power drum based on energy storage contravariant which characterized in that: the device comprises an alternating current power supply input interface, a switching power supply module, a charging protection module, an energy storage unit, a discharging protection module, a temperature protection module, an inversion module, a switching module and an alternating current power supply socket;
the output end of the alternating current power supply input interface is respectively connected with the switching power supply module and the alternating current power supply socket; the input end of the charging protection module is connected with the output end of the switching power supply module, and the output end of the charging protection module is connected with the energy storage unit;
the temperature protection module comprises a temperature detection unit, a first control unit and a first MOS switch, and the output end of the energy storage unit is connected with the inversion module through the discharge protection module and the first MOS switch in sequence; the temperature detection unit is used for detecting temperature information of the energy storage unit, the output end of the temperature detection unit is connected with the first control unit, and the output end of the first control unit is connected with the control input end of the first MOS switch;
the switch switching module comprises a voltage detection unit, a second control unit and a second MOS switch, the output end of the inversion module is connected with the AC power supply socket through the second MOS switch, the voltage detection unit is used for detecting the voltage input by the AC power supply input interface, the input end of the voltage detection unit is connected with the second control unit, and the output end of the second control unit is connected with the control input end of the second MOS switch.
Preferably, the power supply wire coil further comprises a first direct current output interface, and an input end of the first direct current output interface is connected with the switching power supply module; the power wire coil further comprises a direct current charging input interface, and the direct current charging input interface is connected to the input end of the charging protection module; the energy storage unit is a storage battery or an energy storage capacitor; the power wire coil further comprises a second direct current output interface, and the input end of the second direct current output interface is connected with the inverter module.
Preferably, the inverter module comprises a DC-AC inverter unit and a DC-DC inverter unit, wherein the input ends of the DC-AC inverter unit and the DC-DC inverter unit are both connected with the output end of the first MOS switch, the output end of the DC-AC inverter unit is connected with the AC power supply socket through the second MOS switch, and the output end of the DC-DC inverter unit is connected with the second DC output interface; the power wire coil also comprises an energy storage voltage detection module, a microprocessor and an indicator; the energy storage voltage detection module is used for detecting voltage information of the energy storage unit, the output end of the energy storage voltage detection module is connected with the microprocessor, and the output end of the microprocessor is connected with the indicator; the indicator is an LED display or a nixie tube display.
The utility model has the advantages that: the utility model designs the energy storage unit, the inversion module and the switch switching module while taking into account the traditional power taking function, and can automatically and rapidly switch to the energy storage unit for power supply when the external alternating current power supply is input and cut off; when providing alternating current power supply socket and carrying out alternating current power supply, still provide two direct current output interfaces, carry out direct current output outward, no matter whether outside alternating current power supply input outage, the homoenergetic normally carries out direct current output power supply.
Drawings
Fig. 1 is a schematic block diagram of the present invention.
Detailed Description
The technical solution of the present invention is described in further detail below with reference to the accompanying drawings, but the scope of the present invention is not limited to the following description.
As shown in figure 1, a power drum based on energy storage contravariant, its characterized in that: the device comprises an alternating current power supply input interface, a switching power supply module, a charging protection module, an energy storage unit, a discharging protection module, a temperature protection module, an inversion module, a switching module and an alternating current power supply socket;
the output end of the alternating current power supply input interface is respectively connected with the switching power supply module and the alternating current power supply socket; the input end of the charging protection module is connected with the output end of the switching power supply module, and the output end of the charging protection module is connected with the energy storage unit;
the temperature protection module comprises a temperature detection unit, a first control unit and a first MOS switch, and the output end of the energy storage unit is connected with the inversion module through the discharge protection module and the first MOS switch in sequence; the temperature detection unit is used for detecting temperature information of the energy storage unit, the output end of the temperature detection unit is connected with the first control unit, and the output end of the first control unit is connected with the control input end of the first MOS switch;
the switch switching module comprises a voltage detection unit, a second control unit and a second MOS switch, the output end of the inversion module is connected with the AC power supply socket through the second MOS switch, the voltage detection unit is used for detecting the voltage input by the AC power supply input interface, the input end of the voltage detection unit is connected with the second control unit, and the output end of the second control unit is connected with the control input end of the second MOS switch.
In an embodiment of the application, the power wire coil further includes a first dc output interface, and an input end of the first dc output interface is connected to the switching power supply module; the power wire coil further comprises a direct current charging input interface, and the direct current charging input interface is connected to the input end of the charging protection module; the energy storage unit is a storage battery or an energy storage capacitor; the power wire coil further comprises a second direct current output interface, and the input end of the second direct current output interface is connected with the inverter module.
In an embodiment of the application, the inverter module includes a DC-AC inverter unit and a DC-DC inverter unit, input ends of the DC-AC inverter unit and the DC-DC inverter unit are both connected with an output end of a first MOS switch, an output end of the DC-AC inverter unit is connected with an AC power supply socket through a second MOS switch, and an output end of the DC-DC inverter unit is connected with a second DC output interface; the power wire coil also comprises an energy storage voltage detection module, a microprocessor and an indicator; the energy storage voltage detection module is used for detecting voltage information of the energy storage unit, the output end of the energy storage voltage detection module is connected with the microprocessor, and the output end of the microprocessor is connected with the indicator; the indicator is an LED display or a nixie tube display.
In the embodiment of the application, the temperature detection unit may adopt a temperature sensor, the first control unit may be a single chip microcomputer, and when the output voltage (the temperature information which is acquired by the temperature sensor in the form of voltage) acquired by the temperature sensor exceeds a preset threshold, the first MOS switch is controlled to be turned off; the first control unit can also comprise a first voltage-based source and a first voltage comparator, wherein the inverting input end of the first voltage comparator is connected with the temperature sensor, the non-inverting input end of the first voltage comparator is connected with a first reference voltage source, the voltage of the first reference voltage source is equal to the voltage output by the temperature sensor reaching the temperature threshold, when the voltage output by the temperature sensor is greater than the voltage of the first reference voltage source, the non-inverting input of the first voltage comparator is smaller than the inverting input, and the output low level controls the first MOS switch to be switched off; and otherwise, when the voltage output by the temperature sensor is less than the voltage of the first reference voltage source, the MOS switch is controlled to be closed.
In the embodiment of the application, the second control unit may be a single chip, and when the external input voltage from the voltage detection unit is 0, the second MOS switch is controlled to be closed; the second control unit may also include a second reference voltage source and a second voltage comparator, wherein a non-inverting input terminal of the second voltage comparator is connected to the second reference voltage source, and an inverting input terminal of the second voltage comparator is connected to the voltage detection unit; wherein the voltage of the second reference voltage source is slightly larger than 0 (such as 0.1V); under the normal condition, the voltage that voltage detection unit exported can be greater than second reference voltage source's voltage, and the homophase input of second comparator is less than the inverting output this moment, outputs the low level, and the second MOS switch is in the off-state, and when the external power down, voltage detection unit output is 0, and the homophase input of second voltage comparator is greater than the inverting input, therefore, second voltage comparator output high level, control second MOS switch closure.
In the embodiment of the application, the charging protection module and the discharging protection module may be independent modules, or may be integrated charging and discharging protection modules, for example, a CN3765 chip module or a DW01 chip module may be adopted, and the switching power supply module is an AC-DC switching power supply, for example, a bright weft switching power supply S-25-5 may be adopted.
The working principle of the utility model is as follows, under normal condition, an AC power input interface is connected with an external AC power supply and supplies power to an AC power supply socket, and the staff can also get electricity through the AC power supply socket; meanwhile, the switching power supply module converts alternating current into direct current, specifically, the alternating current can be converted into two paths through the switching power supply module, and the first path is used for a worker to get electricity through the first direct current output port; the second path charges the energy storage unit through the charging protection module; when an external alternating current power supply is disconnected, the energy storage unit supplies power to the inversion module through the discharge module and the first MOS switch, and after the DC-DC inversion unit in the inversion module performs DC inversion, the DC-DC inversion unit supplies power to the outside through the second DC output port; meanwhile, the DC-AC inversion unit in the inversion module converts direct current into alternating current, and after an external alternating current power supply is disconnected, the second control unit can control the second MOS switch to be closed, so that the DC-AC inversion unit in the inversion module can supply power to the alternating current power supply socket through the second MOS switch, and the influence of sudden power failure on power taking is avoided; meanwhile, based on the temperature protection module, the power supply path of the energy storage unit can be disconnected when the temperature of the energy storage unit is too high, and the protection of the energy storage unit is effectively realized.
In a specific embodiment, an alternating current power supply 220V is connected, one side supplies power to an alternating current power supply socket, and the alternating current power supply socket is converted into two paths of 14V direct current and 5V direct current through a switching power supply module, wherein 5V is directly output to a first direct current output port to be supplied to a worker for getting power. And the 14V is connected into the charging protection module to charge the energy storage unit. The output of the discharge protection module is connected with the temperature protection module, when the temperature exceeds a set threshold value, the first MOS switch is automatically disconnected, and as long as the position of the energy storage unit generates high temperature, the temperature protection module can act to disconnect the power supply of the energy storage unit. Under the normal condition, the second MOS switch is in an off state, when the external alternating current power supply is detected to lose power, the second MOS switch is controlled to be closed, and the output of the energy storage unit is inverted to obtain 220V alternating current power to supply power to the socket. Obviously, when external alternating current power supply became invalid, other external batteries (such as car storage battery) can also be inserted through the direct current input interface that charges to supply power for the inside electricity storage unit of drum to utilize the inside contravariant module of drum to produce 220V alternating voltage.
Finally, it is to be understood that the foregoing is not to be construed as limiting the invention to the forms disclosed herein, but is not to be construed as excluding other embodiments and from consideration of the specification, and other combinations, modifications, and environments of use that may be made within the scope of the concepts described herein, as may be modified by the teachings or knowledge of the relevant art. But that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention, which is to be limited only by the claims appended hereto.
Claims (8)
1. The utility model provides a power drum based on energy storage contravariant which characterized in that: the device comprises an alternating current power supply input interface, a switching power supply module, a charging protection module, an energy storage unit, a discharging protection module, a temperature protection module, an inversion module, a switching module and an alternating current power supply socket;
the output end of the alternating current power supply input interface is respectively connected with the switching power supply module and the alternating current power supply socket; the input end of the charging protection module is connected with the output end of the switching power supply module, and the output end of the charging protection module is connected with the energy storage unit;
the temperature protection module comprises a temperature detection unit, a first control unit and a first MOS switch, and the output end of the energy storage unit is connected with the inversion module through the discharge protection module and the first MOS switch in sequence; the temperature detection unit is used for detecting temperature information of the energy storage unit, the output end of the temperature detection unit is connected with the first control unit, and the output end of the first control unit is connected with the control input end of the first MOS switch;
the switch switching module comprises a voltage detection unit, a second control unit and a second MOS switch, the output end of the inversion module is connected with the AC power supply socket through the second MOS switch, the voltage detection unit is used for detecting the voltage input by the AC power supply input interface, the input end of the voltage detection unit is connected with the second control unit, and the output end of the second control unit is connected with the control input end of the second MOS switch.
2. The power wire coil based on energy storage inversion according to claim 1, wherein: the power wire coil further comprises a first direct current output interface, and the input end of the first direct current output interface is connected with the switch power supply module.
3. The power wire coil based on energy storage inversion according to claim 1, wherein: the power supply wire coil further comprises a direct current charging input interface, and the direct current charging input interface is connected to the input end of the charging protection module.
4. The power wire coil based on energy storage inversion according to claim 1, wherein: the energy storage unit is a storage battery or an energy storage capacitor.
5. The power wire coil based on energy storage inversion according to claim 1, wherein: the power wire coil further comprises a second direct current output interface, and the input end of the second direct current output interface is connected with the inverter module.
6. The power wire coil based on energy storage inversion according to claim 5, wherein: the inversion module comprises a DC-AC inversion unit and a DC-DC inversion unit, the input ends of the DC-AC inversion unit and the DC-DC inversion unit are connected with the output end of the first MOS switch, the output end of the DC-AC inversion unit is connected with an alternating current power supply socket through the second MOS switch, and the output end of the DC-DC inversion unit is connected with the second direct current output interface.
7. The power wire coil based on energy storage inversion according to claim 1, wherein: the power wire coil also comprises an energy storage voltage detection module, a microprocessor and an indicator; the energy storage voltage detection module is used for detecting the voltage information of the energy storage unit, the output end of the energy storage voltage detection module is connected with the microprocessor, and the output end of the microprocessor is connected with the indicator.
8. The power wire coil based on energy storage inversion according to claim 7, wherein: the indicator is an LED display or a nixie tube display.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020456351.4U CN211456796U (en) | 2020-04-01 | 2020-04-01 | Power wire coil based on energy storage inversion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020456351.4U CN211456796U (en) | 2020-04-01 | 2020-04-01 | Power wire coil based on energy storage inversion |
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| Publication Number | Publication Date |
|---|---|
| CN211456796U true CN211456796U (en) | 2020-09-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020456351.4U Active CN211456796U (en) | 2020-04-01 | 2020-04-01 | Power wire coil based on energy storage inversion |
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| Country | Link |
|---|---|
| CN (1) | CN211456796U (en) |
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2020
- 2020-04-01 CN CN202020456351.4U patent/CN211456796U/en active Active
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