CN210327085U - Prevent mistake and insert portable power source - Google Patents
Prevent mistake and insert portable power source Download PDFInfo
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- CN210327085U CN210327085U CN201921387266.0U CN201921387266U CN210327085U CN 210327085 U CN210327085 U CN 210327085U CN 201921387266 U CN201921387266 U CN 201921387266U CN 210327085 U CN210327085 U CN 210327085U
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Abstract
The utility model relates to a misplug-proof mobile power supply, which comprises a power supply battery, a switch and a misplug-proof module circuit; the positive pole of the power supply battery is connected with one end of the switch, the other end of the switch is connected with one end of the external equipment battery, the negative pole of the power supply battery is connected with the other end of the external equipment battery, and the power supply battery, the switch and the external equipment battery form a series circuit; the misplug prevention module circuit and external equipment form a series circuit; the anti-misplug module circuit, the power supply battery and the switch form a parallel circuit. The utility model discloses a prevent that misplug portable power source simple structure is convenient easy-to-use, has effectively avoided the incident that the wiring mistake brought, and the product has positive negative pole simultaneously and checks the function, prevents that positive negative pole circuit from connecing wrong error, reduces the operation risk again, improves fortune dimension safety level.
Description
Technical Field
The utility model relates to a power circuit technical field, concretely relates to prevent misplug portable power source.
Background
The electric operating mechanism of the high-low voltage switch cabinet needs a direct-current power supply, but sometimes, the power supply of the switch cabinet can break down, when an operator needs to perform switching-on and switching-off operation of the electric cabinet, only a manual mode can be adopted, the operation is not convenient enough, and the reverse insertion can be performed when a large operation risk exists. The safety of a common mobile power supply is not high, and because the positive electrode is directly connected, when the positive electrode and the negative electrode of the socket are connected reversely, the battery is broken if the positive electrode and the negative electrode are connected, and equipment is burnt if the positive electrode and the negative electrode are connected.
SUMMERY OF THE UTILITY MODEL
In order to solve the above-mentioned current portable power source for electric power and exist the positive negative pole connect anti-rotation easily, thereby lack the problem that the design of preventing misplug leads to major incident moreover, the utility model provides a prevent that misplug portable power source, simple structure makes things convenient for easy-to-use, has effectively avoided the incident that the wiring mistake brought, and the product has positive negative pole check function simultaneously, prevents that positive negative pole circuit from connecing wrong error, reduces the operation risk again, improves fortune dimension safety level.
In order to solve the technical problem, the utility model provides a following technical scheme:
a misplug-proof mobile power supply comprises a power supply battery, a switch and a misplug-proof module circuit; the positive electrode of the power supply battery is connected with one end of the switch, the other end of the switch is connected with one end of an external equipment battery, one end, connected with the switch, of the external equipment battery is set as a first port, the negative electrode of the power supply battery is connected with the other end of the external equipment battery, one end, connected with the negative electrode of the power supply battery, of the external equipment battery is set as a second port, and the power supply battery, the switch and the external equipment battery form a series circuit; one end of the misplug prevention module circuit is connected with the first port, the other end of the misplug prevention module circuit is connected with the second port, and the misplug prevention module circuit and external equipment form a series circuit; the anti-misplug module circuit, the power supply battery and the switch form a parallel circuit.
The utility model discloses a prevent that misplug portable power source is provided with the switch in the anodal one end that links to each other with the external equipment battery of power battery, can prevent effectively that the misplug from leading to power battery to scrap, has the module circuit of preventing misplug moreover, can show corresponding condition when the misplug, prevents that positive negative pole circuit from connecing wrong error, reduces the operation risk again, improves fortune dimension safety level.
Further, the misplug prevention module circuit comprises a first circuit for indicating that the wiring is correct and a second circuit for indicating that the wiring is wrong; the first circuit and the external equipment battery form a series circuit, the second circuit and the external equipment battery form a series circuit, the first circuit and the second circuit form a parallel circuit, the first circuit and the second circuit are not mutually influenced, and whether wiring is reversely connected or not can be well detected.
Further, the first circuit comprises a first rectifying diode, a second rectifying diode, a first resistor, a first light emitting diode and a first fuse; the positive pole of the first rectifier diode is connected with the first port, the negative pole of the first rectifier diode is connected with one end of the first resistor, the other end of the first resistor is connected with the positive pole of the first light-emitting diode, the negative pole of the first light-emitting diode is connected with one end of the first fuse, the other end of the first fuse is connected with the positive pole of the second rectifier diode, the negative pole of the second rectifier diode is connected with the second port, when the first port is the positive pole of the external equipment battery, current flows to the first light-emitting diode from the first port and then flows back to the external equipment battery, the first light-emitting diode is bright, and the wiring polarity can be intuitively indicated to be correct.
Further, the second circuit comprises a third rectifier diode, a fourth rectifier diode, a second resistor, a second light emitting diode and a second fuse; the anode of the third rectifier diode is connected with the second port, the cathode of the third rectifier diode is connected with one end of the second resistor, the other end of the second resistor is connected with the anode of the second light-emitting diode, the cathode of the second light-emitting diode is connected with one end of the second fuse, the other end of the second fuse is connected with the anode of the fourth rectifier diode, the cathode of the fourth rectifier diode is connected with the first port, when the second port is the anode of the external equipment battery, current flows from the second port to the second light-emitting diode and then flows back to the external equipment current, the second light-emitting diode is on, the wiring polarity error can be intuitively indicated, and the external equipment battery does not have current flowing to the power supply battery even if the power supply battery is connected reversely because the switch of the power supply battery is not closed, the occurrence of safety accidents can be well avoided.
Furthermore, the types of the first rectifying diode, the second rectifying diode, the third rectifying diode and the fourth rectifying diode are all 1N4007, and the current is effectively shunted and rectified by utilizing unidirectional conductivity.
Furthermore, the first light-emitting diode is green, the second light-emitting diode is red, when the wiring polarity is correct, the green light is turned on, and when the wiring polarity is wrong, the red light is turned on, so that the method is visual and clear, and safety accidents are effectively avoided.
Compared with the prior art, the utility model discloses following beneficial effect has:
the switch is arranged on the positive circuit of the power supply battery, and the switch is disconnected before plugging to realize the function of preventing the misplug, so that the safety is greatly improved; and the LED lamp has a positive and negative pole checking function, and indicates whether the wiring is wrong or not through the on and off of the two LEDs, so that the LED lamp is visual and clear, the error of wrong connection of positive and negative poles can be prevented, the operation risk is reduced again, and the operation and maintenance safety level is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of the misplug-proof mobile power supply of the present invention.
In the figure: 1. an external device battery; 2. a power supply battery; 3. a switch; 4. a first port; 5. a second port.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The embodiment of the utility model provides an include:
as shown in fig. 1, a mobile power supply capable of preventing misplug includes a power battery 2, a switch 3 and a module circuit for preventing misplug; the positive pole of the power supply battery 2 is connected with one end of the switch 3, the other end of the switch 3 is connected with one end of the external device battery 1, one end of the external device battery 1 connected with the switch 3 is set as a first port 4, the negative pole of the power supply battery 2 is connected with the other end of the external device battery 1, one end of the external device battery 1 connected with the negative pole of the power supply battery 2 is set as a second port 5, and the power supply battery 2, the switch 3 and the external device battery 1 form a series circuit; one end of the misplug prevention module circuit is connected with the first port 4, the other end of the misplug prevention module circuit is connected with the second port 5, and the misplug prevention module circuit and external equipment form a series circuit; the anti-misplugging module circuit forms a parallel circuit with the power supply battery 2 and the switch 3.
The utility model discloses a prevent misplug portable power source is provided with switch 3 in the anodal one end that links to each other with external equipment battery 1 of power battery 2, can prevent effectively that the misplug from leading to power battery 2 to scrap, has the module circuit of preventing misplug moreover, can show corresponding condition when the misplug, prevents that positive negative pole circuit from connecing wrong error, reduces the operation risk again, improves fortune dimension safety level.
As shown in fig. 1, the anti-misplugging module circuit comprises a first circuit for indicating that the wiring is correct and a second circuit for indicating that the wiring is wrong; the first circuit and the external equipment battery 1 form a series circuit, the second circuit and the external equipment battery 1 form a series circuit, the first circuit and the second circuit form a parallel circuit, the first circuit and the second circuit are not affected with each other, and whether wiring is connected reversely or not can be well detected.
As shown in fig. 1, the first circuit includes a first rectifying diode D1, a second rectifying diode D2, a first resistor R1, a first light emitting diode LED1, and a first FUSE 1; the anode of the first rectifying diode D1 is connected to the first port 4, the cathode of the first rectifying diode D1 is connected to one end of a first resistor R1, the other end of the first resistor R1 is connected to the anode of the first light emitting diode LED1, the cathode of the first light emitting diode LED1 is connected to one end of a first FUSE1, the other end of the first FUSE1 is connected to the anode of the second rectifying diode D2, the cathode of the second rectifying diode D2 is connected to the second port 5, when the first port 4 is the anode of the external device battery 1, current flows from the first port 4 to the first light emitting diode LED1 and then flows back to the external device battery 1, and the first light emitting diode LED1 is lit, which can visually indicate that the wiring polarity is correct.
As shown in fig. 1, the second circuit includes a third rectifier diode D3, a fourth rectifier diode D4, a second resistor R2, a second light emitting diode LED2, and a second FUSE 2; the anode of the third rectifying diode D3 is connected to the second port 5, the cathode of the third rectifying diode D3 is connected to one end of the second resistor R2, the other end of the second resistor R2 is connected to the anode of the second light emitting diode LED2, the cathode of the second light emitting diode LED2 is connected to one end of the second FUSE2, the other end of the second FUSE2 is connected to the anode of the fourth rectifying diode D4, the cathode of the fourth rectifying diode D4 is connected to the first port 4, when the second port 5 is the positive electrode of the external device battery 1, the current flows from the second port 5 to the second light emitting diode LED2 and then flows back to the external device current, the second light emitting diode LED2 is lighted, the wiring polarity error can be visually indicated, because the switch 3 of the power battery 2 is not closed, even if the power battery is reversely connected, no current flows to the power battery 2 from the external device battery 1, and safety accidents can be well avoided.
In the present embodiment, the types of the first rectifying diode D1, the second rectifying diode D2, the third rectifying diode D3, and the fourth rectifying diode D4 are all 1N4007, and the current is effectively shunted and rectified by unidirectional conductivity.
In this embodiment, the color of the first light emitting diode LED1 is green, the color of the second light emitting diode LED2 is red, and when the wiring polarity is correct, the green light is turned on, and when the wiring polarity is incorrect, the red light is turned on, so that the method is intuitive and clear, and the occurrence of safety accidents is effectively avoided.
The utility model discloses a theory of operation:
1. the plurality of switches 3 are arranged on the positive circuit of the power battery 2, the switches 3 are disconnected before plugging to realize the function of preventing the misplug, the current from the positive electrode of the power battery 2 to the external equipment battery 1 is completely isolated, and the safety is improved;
2. when the external device battery 1 terminal which is not connected reversely is plugged, the first port 4 is the positive electrode of the external device battery 1, and the current flows to: the first port 4, the first rectifier diode D1, the first light emitting diode LED1, the second rectifier diode D2 and the second port 5 enable current to flow through the first circuit and the first light emitting diode LED1, so that a green light is on, the second circuit has the fourth rectifier diode D4 to prevent current from going to the second circuit, and the current does not flow through the second circuit, so that a red light is not on, and the wiring polarity is correct;
3. when the reverse external device battery 1 terminal is plugged, the second port 5 is the positive pole of the external device battery 1, and the current flows to: the second port 5, the third rectifier diode D3, the second light emitting diode LED2, the fourth rectifier diode D4, the first port 4, the current flows through the second circuit and the second light emitting diode LED2, so the red light is on, the first circuit prevents the current from going to the direction by the second rectifier diode D2, the current does not flow through the first circuit, so the green light is not on, and the wiring polarity is not correct.
The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all of which utilize the equivalent structure or equivalent flow transformation made by the content of the specification of the present invention, or directly or indirectly applied to other related technical fields, all included in the same way in the patent protection scope of the present invention.
Claims (6)
1. A misplug-proof mobile power supply is characterized by comprising a power supply battery, a switch and a misplug-proof module circuit; the positive electrode of the power supply battery is connected with one end of the switch, the other end of the switch is connected with one end of an external equipment battery, one end, connected with the switch, of the external equipment battery is set as a first port, the negative electrode of the power supply battery is connected with the other end of the external equipment battery, one end, connected with the negative electrode of the power supply battery, of the external equipment battery is set as a second port, and the power supply battery, the switch and the external equipment battery form a series circuit; one end of the misplug prevention module circuit is connected with the first port, the other end of the misplug prevention module circuit is connected with the second port, and the misplug prevention module circuit and external equipment form a series circuit; the anti-misplug module circuit, the power supply battery and the switch form a parallel circuit.
2. The misplug-proof mobile power supply of claim 1, wherein the misplug-proof module circuit comprises a first circuit for indicating that the wiring is correct and a second circuit for indicating that the wiring is wrong; the first circuit and the external equipment battery form a series circuit, the second circuit and the external equipment battery form a series circuit, and the first circuit and the second circuit form a parallel circuit.
3. The misplug-preventing mobile power supply of claim 2, wherein the first circuit comprises a first rectifier diode, a second rectifier diode, a first resistor, a first light-emitting diode, and a first fuse; the positive pole of the first rectifier diode is connected with the first port, the negative pole of the first rectifier diode is connected with one end of the first resistor, the other end of the first resistor is connected with the positive pole of the first light-emitting diode, the negative pole of the first light-emitting diode is connected with one end of the first fuse, the other end of the first fuse is connected with the positive pole of the second rectifier diode, and the negative pole of the second rectifier diode is connected with the second port.
4. The misplug-preventing mobile power supply of claim 3, wherein the second circuit comprises a third rectifier diode, a fourth rectifier diode, a second resistor, a second light-emitting diode, and a second fuse; the anode of the third rectifier diode is connected with the second port, the cathode of the third rectifier diode is connected with one end of the second resistor, the other end of the second resistor is connected with the anode of the second light-emitting diode, the cathode of the second light-emitting diode is connected with one end of the second fuse, the other end of the second fuse is connected with the anode of the fourth rectifier diode, and the cathode of the fourth rectifier diode is connected with the first port.
5. The misplug-preventing mobile power supply of claim 4, wherein the first rectifying diode, the second rectifying diode, the third rectifying diode, and the fourth rectifying diode are all 1N4007 in type.
6. The misplug-proof mobile power supply of claim 4, wherein the first light-emitting diode is green in color and the second light-emitting diode is red in color.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921387266.0U CN210327085U (en) | 2019-08-23 | 2019-08-23 | Prevent mistake and insert portable power source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921387266.0U CN210327085U (en) | 2019-08-23 | 2019-08-23 | Prevent mistake and insert portable power source |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210327085U true CN210327085U (en) | 2020-04-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921387266.0U Active CN210327085U (en) | 2019-08-23 | 2019-08-23 | Prevent mistake and insert portable power source |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210327085U (en) |
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2019
- 2019-08-23 CN CN201921387266.0U patent/CN210327085U/en active Active
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