CN218829188U - Slow starting controller - Google Patents
Slow starting controller Download PDFInfo
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- CN218829188U CN218829188U CN202223096042.9U CN202223096042U CN218829188U CN 218829188 U CN218829188 U CN 218829188U CN 202223096042 U CN202223096042 U CN 202223096042U CN 218829188 U CN218829188 U CN 218829188U
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Abstract
The utility model discloses a slow start control ware relates to the motor field, and this slow start control ware includes: the charging circuit is used for capacitive load charging; the short circuit-charging comparison circuit is used for protecting the circuit when the capacitive load is short-circuited and controlling whether the circuit is started or not according to the charging condition of the capacitive load so as to avoid the circuit from working when the electric quantity of the capacitive load is insufficient; the false triggering circuit is used for avoiding false triggering of the circuit and electric arcs generated by the work of the power contact and the single-chip leakage switch; compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses install additional between battery power supply line and capacitive load, simple to operate, swift can solve the battery socket effectively, and power contact and monolithic electric leakage switch produce the phenomenon that the electric arc burns out, and whole car power return circuit is protected, reduces vehicle conflagration hidden danger, protects the battery socket simultaneously, power contact and monolithic electric leakage switch, extension battery life, greatly reduced vehicle cost of maintenance.
Description
Technical Field
The utility model relates to a motor field specifically is a slow start control ware.
Background
Batteries of electric bicycles and three-wheeled vehicles in the market, particularly electric vehicles sharing the battery replacement need to be replaced frequently, and the fully charged batteries are directly connected through a battery socket or a power contact or controlled through a single-chip leakage switch in the battery replacement process.
Although the electric door lock is in a closed state during battery replacement, due to the existence of a capacitive load such as an electric vehicle controller, an electric arc is generated when a fully charged battery directly passes through a battery socket or a power contact, the electric arc burns the battery socket or the power contact, an electric arc burning spot is generated on a contact part of the battery, oxidation and blackening contact resistance is increased, contact failure is caused, overcurrent capacity is reduced, and contact failure is caused during riding. As the number of battery replacements increases, the situation becomes more severe, eventually leading to improper use of the battery receptacle or power contacts, requiring improvement.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a slow start control ware to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a slow start controller comprising:
the charging circuit is used for charging the capacitive load;
the short circuit-charging comparison circuit is used for protecting the circuit when the capacitive load is short-circuited, controlling whether the circuit is started or not according to the charging condition of the capacitive load and avoiding the circuit from working when the electric quantity of the capacitive load is insufficient;
the false triggering circuit is used for avoiding false triggering of the circuit and electric arcs generated by the work of the power contact and the single-chip leakage switch;
the delay-voltage detection circuit is used for delaying the starting circuit and avoiding electric arcs generated when the battery passes through a battery socket or a power contact;
the power circuit is used for controlling whether the power contact and the single-chip leakage switch are electrified to work or not;
the battery is connected with the delay-voltage detection circuit and the false trigger circuit, the delay-voltage detection circuit is connected with the false trigger circuit, the false trigger circuit is connected with the positive pole of the capacitive load and the power circuit, the negative pole of the capacitive load is connected with the charging circuit and the short-circuit-charging comparison circuit, the charging circuit is connected with the power circuit, and the short-circuit-charging comparison circuit is connected with the power circuit.
As a further aspect of the present invention: the charging circuit comprises a resistor R9, one end of the resistor R9 is connected with the cathode GND of the battery, and the other end of the resistor R9 is connected with the cathode VO-of the capacitive load.
As a further aspect of the present invention: the power circuit comprises a diode VD2, a resistor R6, a capacitor C3 and an MOS tube Q3, wherein the cathode of the diode VD2 is connected with one end of the resistor R6, one end of the capacitor C3, the G pole of the MOS tube Q3, a short-circuit-charging comparison circuit and a false triggering circuit, the anode of the diode VD2 is connected with the cathode GND of the battery, the other end of the resistor R6 is connected with the cathode GND of the battery, the other end of the capacitor C3 is connected with the cathode GND of the battery, the S pole of the MOS tube Q3 is connected with the cathode GND of the battery, and the D pole of the MOS tube Q3 is connected with a charging circuit.
As a further aspect of the present invention: the short circuit-charging comparison circuit comprises a diode VD3, a resistor R7, a capacitor C4, a resistor R8 and a triode Q4, wherein the negative electrode of the diode VD3 is connected with the negative electrode V0 of a capacitive load, the positive electrode of the diode VD3 is connected with one end of the resistor R7, the other end of the resistor R7 is connected with one end of the capacitor C4, one end of the resistor R8 and the base electrode of the triode Q4, the other end of the capacitor C4 is connected with the negative electrode GND of a battery, the other end of the resistor R8 is connected with the negative electrode GND of the battery, the emitting electrode of the triode Q4 is connected with the negative electrode GND of the battery, and the collecting electrode of the triode Q4 is connected with a power circuit.
As the utility model discloses further scheme again: the false triggering circuit comprises a resistor R5, a resistor R4, a resistor R3 and a triode Q2, wherein one end of the resistor R5 is connected with a delay-voltage detection circuit, the other end of the resistor R5 is connected with one end of the resistor R4 and the base electrode of the triode Q2, the collector electrode of the triode Q2 is connected with a power circuit, the emitter electrode of the triode Q2 is connected with the other end of the resistor R4 and one end of the resistor R3, and the other end of the resistor R3 is connected with the positive electrode VCC of a battery and the positive electrode V0+ of a capacitive load.
As a further aspect of the present invention: the delay-voltage detection circuit comprises a diode VD1, a resistor R1, a capacitor C1, a resistor R2, a capacitor C2, a triode Q1, the anode VCC of the battery is connected to the cathode of the diode VD1, the anode of the diode VD1 is connected with one end of the resistor R1, one end of the capacitor C1 is connected to the other end of the resistor R1, one end of the resistor R2, one end of the capacitor C2, the base of the triode Q1, the cathode GND of the battery is connected to the other end of the capacitor C1, the cathode GND of the battery is connected to the other end of the resistor R2, the cathode GND of the battery is connected to the other end of the capacitor C2, the cathode GND of the battery is connected to the emitting electrode of the triode Q1, and the collector of the triode Q1 is connected with the mis-triggering circuit.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses install additional between battery power supply line and capacitive load, simple to operate, swift can solve the battery socket effectively, and power contact and monolithic electric leakage switch produce the phenomenon that the electric arc burns out, and whole car power return circuit of protection reduces vehicle conflagration hidden danger, protects the battery socket simultaneously, power contact and monolithic electric leakage switch, extension battery life, greatly reduced vehicle cost of maintenance.
Drawings
Fig. 1 is a circuit diagram of a slow start controller.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.
Referring to fig. 1, a slow start controller includes:
the charging circuit is used for capacitive load charging;
the short circuit-charging comparison circuit is used for protecting the circuit when the capacitive load is short-circuited, controlling whether the circuit is started or not according to the charging condition of the capacitive load and avoiding the circuit from working when the electric quantity of the capacitive load is insufficient;
the false triggering circuit is used for avoiding false triggering of the circuit and electric arcs generated by the work of the power contact and the single-chip leakage switch;
the delay-voltage detection circuit is used for delaying the starting circuit and avoiding electric arcs generated when the battery passes through a battery socket or a power contact;
the power circuit is used for controlling whether the power contact and the single-chip leakage switch are electrified to work or not;
the battery is connected with the delay-voltage detection circuit and the false trigger circuit, the delay-voltage detection circuit is connected with the false trigger circuit, the false trigger circuit is connected with the positive pole of the capacitive load and the power circuit, the negative pole of the capacitive load is connected with the charging circuit and the short-circuit-charging comparison circuit, the charging circuit is connected with the power circuit, and the short-circuit-charging comparison circuit is connected with the power circuit.
In this embodiment: referring to fig. 1, the charging circuit includes a resistor R9, one end of the resistor R9 is connected to the battery cathode GND, and the other end of the resistor R9 is connected to the cathode VO-of the capacitive load.
The positive pole VCC of the battery, the positive pole V0+ of the capacitive load, the negative pole V0-of the capacitive load and the resistor R9 form a loop, and the capacitive load is charged after the battery is inserted.
In this embodiment: referring to fig. 1, the power circuit includes a diode VD2, a resistor R6, a capacitor C3, and a MOS transistor Q3, a negative electrode of the diode VD2 is connected to one end of the resistor R6, one end of the capacitor C3, a G electrode of the MOS transistor Q3, a short-circuit-charging comparison circuit, and a false triggering circuit, a positive electrode of the diode VD2 is connected to a negative electrode GND of the battery, another end of the resistor R6 is connected to the negative electrode GND of the battery, another end of the capacitor C3 is connected to the negative electrode GND of the battery, an S electrode of the MOS transistor Q3 is connected to the negative electrode GND of the battery, and a D electrode of the MOS transistor Q3 is connected to the charging circuit.
When the voltage of the capacitive load is increased to a threshold value along with the charging of the capacitive load, the short circuit-charging comparison circuit does not inhibit the power circuit from working, the G of the MOS tube Q3 is extremely high level, the cathode V0 of the capacitive load is directly connected with the cathode GND of the battery, and devices with the capacitive load, such as an electric vehicle controller, and the like, start to work normally. The electric arc generated when a fully charged battery directly passes through a battery socket or a power contact is avoided due to capacitive loads such as an electric vehicle controller and the like at the moment of battery insertion.
In this embodiment: referring to fig. 1, the short-circuit-charge comparison circuit includes a diode VD3, a resistor R7, a capacitor C4, a resistor R8, and a transistor Q4, wherein a negative electrode of the diode VD3 is connected to a negative electrode V0 "of the capacitive load, a positive electrode of the diode VD3 is connected to one end of the resistor R7, the other end of the resistor R7 is connected to one end of the capacitor C4, one end of the resistor R8, and a base electrode of the transistor Q4, the other end of the capacitor C4 is connected to a negative electrode GND of the battery, the other end of the resistor R8 is connected to the negative electrode GND of the battery, an emitter of the transistor Q4 is connected to the negative electrode GND of the battery, and a collector of the transistor Q4 is connected to the power circuit.
When the voltage of the capacitive load does not reach the threshold value, the negative pole V0-of the capacitive load is large (the voltage on the resistor R9 is large), the voltage stabilizing diode VD3 is broken down, the triode Q4 is conducted, the G pole voltage of the MOS tube Q3 is pulled down, and the work of a power circuit is restrained.
When the load is in short circuit, the voltage of the negative electrode Vo-end of the capacitive load is equal to the loop voltage and is greater than the voltage stabilization value of the voltage stabilization diode VD3, the triode Q4 is conducted, the MOS tube Q3 is cut off, and at the moment, the battery discharges through the current limiting resistor R9.
In this embodiment: referring to fig. 1, the false triggering circuit includes a resistor R5, a resistor R4, a resistor R3, and a transistor Q2, wherein one end of the resistor R5 is connected to the delay-voltage detection circuit, the other end of the resistor R5 is connected to one end of the resistor R4 and a base of the transistor Q2, a collector of the transistor Q2 is connected to the power circuit, an emitter of the transistor Q2 is connected to the other end of the resistor R4 and one end of the resistor R3, and the other end of the resistor R3 is connected to a positive electrode VCC of the battery and a positive electrode V0+ of the capacitive load.
By arranging the triode Q2 (PNP triode), the MOS tube Q3 is prevented from being conducted due to false triggering, and the G electrode of the MOS tube Q3 is supplied with power only under the condition that the delay-voltage detection circuit pulls low voltage.
In this embodiment: referring to fig. 1, the delay-voltage detection circuit includes a diode VD1, a resistor R1, a capacitor C1, a resistor R2, a capacitor C2, and a transistor Q1, wherein a negative electrode of the diode VD1 is connected to a positive electrode VCC of the battery, a positive electrode of the diode VD1 is connected to one end of the resistor R1, the other end of the resistor R1 is connected to one end of the capacitor C1, one end of the resistor R2, one end of the capacitor C2, and a base electrode of the transistor Q1, the other end of the capacitor C1 is connected to a negative electrode GND of the battery, the other end of the resistor R2 is connected to the negative electrode GND of the battery, the other end of the capacitor C2 is connected to the negative electrode GND of the battery, an emitter of the transistor Q1 is connected to the negative electrode GND of the battery, and a collector of the transistor Q1 is connected to the mis-trigger circuit.
When a full-charge battery is inserted, the capacitor C1 and the capacitor C2 are charged through the voltage-stabilizing diode VD1, the time from the charging of the capacitor C1 and the capacitor C2 to the conduction voltage of the triode Q1 is delay time (the phenomenon that the electric quantity of the capacitive load reaches a threshold value at the beginning to cause the capacitive load to work at the beginning and generate electric arc is avoided), the triode Q1 is conducted and grounded after the delay, the base voltage of the triode Q2 is reduced, the power circuit is powered through the triode Q2, due to the inhibition effect of the short-circuit charging alarm circuit, only when the capacitive load is charged to the threshold value, the power circuit controls the negative electrode V0 of the capacitive load to be directly connected with the negative electrode GND of the battery, and the capacitive load starts to work normally.
The utility model discloses a theory of operation is: capacitive load charging of the charging circuit; the short circuit-charging comparison circuit protects the circuit when the capacitive load is short-circuited, and controls whether the circuit is started or not according to the charging condition of the capacitive load, so that the circuit is prevented from working when the electric quantity of the capacitive load is insufficient; the false triggering circuit avoids the false triggering of the circuit, and the power contact and the single-chip leakage switch work to generate electric arcs; the delay-voltage detection circuit delays the starting circuit, so that electric arcs generated when the battery passes through a battery socket or a power contact are avoided; the power circuit controls whether the power contact and the single-chip leakage switch are electrified to work or not.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. A slow start controller is characterized in that:
this slow start controller includes:
the charging circuit is used for capacitive load charging;
the short circuit-charging comparison circuit is used for protecting the circuit when the capacitive load is short-circuited, controlling whether the circuit is started or not according to the charging condition of the capacitive load and avoiding the circuit from working when the electric quantity of the capacitive load is insufficient;
the false triggering circuit is used for avoiding false triggering of the circuit and electric arcs generated by the work of the power contact and the single-chip leakage switch;
the delay-voltage detection circuit is used for delaying the starting circuit and avoiding electric arc generated when the battery passes through a battery socket or a power contact;
the power circuit is used for controlling whether the power contact and the single-chip leakage switch are electrified to work or not;
the battery is connected with the delay-voltage detection circuit and the false trigger circuit, the delay-voltage detection circuit is connected with the false trigger circuit, the false trigger circuit is connected with the positive pole of the capacitive load and the power circuit, the negative pole of the capacitive load is connected with the charging circuit and the short-circuit-charging comparison circuit, the charging circuit is connected with the power circuit, and the short-circuit-charging comparison circuit is connected with the power circuit.
2. The slow start controller according to claim 1, wherein the charging circuit comprises a resistor R9, one end of the resistor R9 is connected to the battery cathode GND, and the other end of the resistor R9 is connected to the cathode VO-of the capacitive load.
3. The slow start controller according to claim 1, wherein the power circuit comprises a diode VD2, a resistor R6, a capacitor C3, and a MOS transistor Q3, wherein a negative electrode of the diode VD2 is connected to one end of the resistor R6, one end of the capacitor C3, a G electrode of the MOS transistor Q3, the short-circuit-charging comparison circuit, and the false triggering circuit, a positive electrode of the diode VD2 is connected to a negative electrode GND of the battery, the other end of the resistor R6 is connected to the negative electrode GND of the battery, the other end of the capacitor C3 is connected to the negative electrode GND of the battery, an S electrode of the MOS transistor Q3 is connected to the negative electrode GND of the battery, and a D electrode of the MOS transistor Q3 is connected to the charging circuit.
4. The slow start controller according to claim 1, wherein the short circuit-charge comparison circuit comprises a diode VD3, a resistor R7, a capacitor C4, a resistor R8, and a transistor Q4, wherein the negative electrode of the diode VD3 is connected to the negative electrode V0 "of the capacitive load, the positive electrode of the diode VD3 is connected to one end of the resistor R7, the other end of the resistor R7 is connected to one end of the capacitor C4, one end of the resistor R8, and the base of the transistor Q4, the other end of the capacitor C4 is connected to the negative electrode GND of the battery, the other end of the resistor R8 is connected to the negative electrode GND of the battery, the emitter of the transistor Q4 is connected to the negative electrode GND of the battery, and the collector of the transistor Q4 is connected to the power circuit.
5. The slow start controller according to claim 3, wherein the false triggering circuit comprises a resistor R5, a resistor R4, a resistor R3, and a transistor Q2, one end of the resistor R5 is connected to the delay-voltage detection circuit, the other end of the resistor R5 is connected to one end of the resistor R4 and the base of the transistor Q2, the collector of the transistor Q2 is connected to the power circuit, the emitter of the transistor Q2 is connected to the other end of the resistor R4 and one end of the resistor R3, and the other end of the resistor R3 is connected to the positive electrode VCC of the battery and the positive electrode V0+ of the capacitive load.
6. The slow start controller according to claim 1, wherein the delay-voltage detection circuit comprises a diode VD1, a resistor R1, a capacitor C1, a resistor R2, a capacitor C2, and a transistor Q1, wherein a negative electrode of the diode VD1 is connected to a positive electrode VCC of the battery, a positive electrode of the diode VD1 is connected to one end of the resistor R1, the other end of the resistor R1 is connected to one end of the capacitor C1, one end of the resistor R2, one end of the capacitor C2, and a base electrode of the transistor Q1, the other end of the capacitor C1 is connected to a negative electrode GND of the battery, the other end of the resistor R2 is connected to the negative electrode GND of the battery, an emitter of the transistor Q1 is connected to the negative electrode GND of the battery, and a collector of the transistor Q1 is connected to the mis-touch generation circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223096042.9U CN218829188U (en) | 2022-11-22 | 2022-11-22 | Slow starting controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223096042.9U CN218829188U (en) | 2022-11-22 | 2022-11-22 | Slow starting controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218829188U true CN218829188U (en) | 2023-04-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223096042.9U Active CN218829188U (en) | 2022-11-22 | 2022-11-22 | Slow starting controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218829188U (en) |
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2022
- 2022-11-22 CN CN202223096042.9U patent/CN218829188U/en active Active
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