CN201178384Y - Inverter for electric bicycle - Google Patents
Inverter for electric bicycle Download PDFInfo
- Publication number
- CN201178384Y CN201178384Y CNU2008201019236U CN200820101923U CN201178384Y CN 201178384 Y CN201178384 Y CN 201178384Y CN U2008201019236 U CNU2008201019236 U CN U2008201019236U CN 200820101923 U CN200820101923 U CN 200820101923U CN 201178384 Y CN201178384 Y CN 201178384Y
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Abstract
The utility model discloses an inverter used for an electric bicycle. A DC power input part circuit is electrically connected with an over-voltage protection circuit, a low-voltage protection circuit, an inversion transformation circuit, and a high-frequency signal generation and output control circuit. The high-frequency signal generation and output control circuit is electrically connected with an over-temperature protection circuit, the over-voltage protection circuit, the low-voltage protection circuit and a power output circuit. The power output circuit is electrically connected with the inversion transformation circuit; the inversion transformation circuit is electrically connected with a high-amplitude voltage rectification circuit, and a low-amplitude voltage rectification circuit. The high-amplitude voltage rectification circuit is electrically connected with a DC-AC conversion reshaping output circuit and an output voltage sample circuit; the DC-AC conversion reshaping output circuit is electrically connected with an output current detection circuit; the low-amplitude voltage rectification circuit, the output current detection circuit, and the output voltage sample circuit are electrically connected with a low-frequency signal generation and output control circuit; and the lower-frequency signal generation and output control circuit is electrically connected with the DC-AC conversion shaping output circuit.
Description
Technical field
The utility model relates to the inverter that a kind of electric bicycle is used, and having of relating to particularly that a kind of electric bicycle uses is overheated, input overvoltage, under voltage, the overcurrent DC-AC inverter of protection automatically.
Background technology
Along with improving of electric bicycle technology and progressively popularizing of application, it has become a kind of family walking-replacing tool commonly used that people's trip is ridden instead of walk.The voltage of the present electric bicycle of cause between 12V-60V, can't be that people create wider purposes all.Along with improving constantly of people's quality of life, people have more purposes demand to electric motor car, temporary lighting, cell-phone charging, digital camera charging etc. provide 220V civil power when lying fallow in the open air, make electric motor car have bigger practical value for people provide more convenience.
Summary of the invention
In order to overcome above problem; the utility model is to utilize the interior storage battery of family's electric bicycle car commonly used as the energy; earlier direct current (DC) voltage of low amplitude value is converted into direct current (DC) voltage of high amplitude; and then be that 220V exchanges (AC) voltage with direct current (DC) voltage transformation of high amplitude; and be provided with overheated, input overvoltage, under voltage automatic protection circuit; make the voltage of its output become general 220V AC AC power (being mains supply), with reach electric bicycle can be whenever and wherever possible easily to the purpose of various power electronic equipment.
The utility model is by adopting following technical scheme to realize: the utility model inverter is provided with overheating protection circuit; excess voltage protection; the under voltage protection circuit; high-frequency signal takes place and output control circuit; power output circuit; the inversion transforming circuit; high amplitude voltage rectification circuit; DC-AC conversion shaping output circuit; output current detection circuit; output sampling circuit; the low amplitude value voltage rectifying circuit; low frequency signal takes place and output control circuit; dc voltage importation circuit.Described DC power input part parallel circuit output and excess voltage protection input; the under voltage protection circuit input end; inversion transforming circuit input is electrically connected; high-frequency signal takes place and output control circuit input and overheating protection circuit output; DC power input part parallel circuit output; the excess voltage protection output; the under voltage protection circuit output end is electrically connected; high-frequency signal takes place and output control circuit output and power output circuit input; the overheating protection circuit input is electrically connected; the power output circuit output is electrically connected with inversion transforming circuit input; inversion transforming circuit output and high amplitude voltage rectification circuit input end; low amplitude value voltage rectifying circuit input is electrically connected; high amplitude voltage rectification circuit output end and DC-AC conversion shaping output circuit input; output voltage sample circuit input is electrically connected; DC-AC conversion shaping output circuit output is electrically connected with the output current detection circuit input; low frequency signal takes place and output control circuit input and low amplitude value voltage rectifying circuit output; the output current detection circuit output; output voltage sample circuit output is electrically connected; low frequency signal takes place and the output control circuit output is electrically connected with-AC conversion shaping output circuit input, and DC-AC conversion shaping output circuit is exported AC voltage.
The advantage of the utility model inverter: it has solved under the situation that people are in open-air or the indoor 220V of not having civil power, with the electric bicycle of direct current (DC) power supply or storage battery often because of there not being civil power can't normally work and the use problem; Also solved the misoperation problem of people to input voltage, when people are connected the storage battery in the electric bicycle car of inverter and different model, whether this inverter can be discerned by the Auto-Sensing circuit is the available voltage of inverter defined, if be available then normal power supply output; , inverter do not have civil power output otherwise will refusing work.Thereby the purpose that has reached protection power supply (as storage battery etc.) and protected self circuit; simultaneously when certain degree is arrived in battery discharging; inverter will cut off its work, thereby avoid the infringement of input power supply (as storage battery etc.) has been reached the purpose of protection.The utility model volume is small and exquisite, be easy to carry about with one, the electric bicycle that is suitable for adopting the following storage battery of 12V-100V in the open air, move or indoorly do not provide mains supply for various electronic equipments when having civil power.
Description of drawings:
Fig. 1 is the circuit block diagram of inverter of the present utility model.
Embodiment
Specific embodiment below in conjunction with accompanying drawing further specifies the utility model.(but not being) to restriction of the present utility model.
(above-mentioned each single circuit is a prior art, so, with above-mentioned each the single circuit of each square frame representative.)
DC power input part parallel circuit described in the utility model takes place with excess voltage protection, under voltage protection circuit, inversion transforming circuit, high-frequency signal and output control circuit is electrically connected.Wherein high-frequency signal generation and output control circuit and overheating protection circuit; excess voltage protection; the under voltage protection circuit; power output circuit is electrically connected; power output circuit is electrically connected with the inversion transforming circuit; inversion transforming circuit and high amplitude voltage rectification circuit; the low amplitude value voltage rectifying circuit is electrically connected; high amplitude voltage rectification circuit and DC-AC conversion shaping output circuit; the output voltage sample circuit is electrically connected; DC-AC conversion shaping output circuit is electrically connected with output current detection circuit; the low amplitude value voltage rectifying circuit; output current detection circuit; the output voltage sample circuit takes place with low frequency signal and output control circuit is electrically connected, and low frequency signal generation and output control circuit are electrically connected with DC-AC conversion shaping output circuit.Be provided with overheating protection circuit, excess voltage protection, under voltage protection circuit, high-frequency signal generation and output control circuit, power output circuit, inversion transforming circuit, high amplitude voltage rectification circuit, DC-AC conversion shaping output circuit, output current detection circuit, output sampling circuit, low amplitude value voltage rectifying circuit, low frequency signal generation and output control circuit, dc voltage importation circuit.Described DC power input part parallel circuit 13 outputs and excess voltage protection 2 inputs; under voltage protection circuit 3 inputs; inversion transforming circuit 6 inputs are electrically connected; high-frequency signal takes place and output control circuit 4 inputs and overheating protection circuit 1 output; DC power input part parallel circuit 13 outputs; excess voltage protection 2 outputs; under voltage protection circuit 3 outputs are electrically connected; high-frequency signal takes place and output control circuit 4 outputs and power output circuit 5 inputs; overheating protection circuit 1 input is electrically connected; power output circuit 5 outputs are electrically connected with inversion transforming circuit 6 inputs; inversion transforming circuit 6 outputs and high amplitude voltage rectification circuit 7 inputs; low amplitude value voltage rectifying circuit 11 inputs are electrically connected; high amplitude voltage rectification circuit 7 outputs and DC-AC conversion shaping output circuit 8 inputs; output voltage sample circuit 9 inputs are electrically connected; DC-AC conversion shaping output circuit 8 outputs are electrically connected with output current detection circuit 10 inputs; low frequency signal takes place and output control circuit 12 inputs and low amplitude value voltage rectifying circuit 11 outputs; output current detection circuit 10 outputs; output voltage sample circuit 9 outputs are electrically connected; low frequency signal takes place and output control circuit 12 outputs are electrically connected with DC-AC conversion shaping output circuit 8 inputs, DC-AC conversion shaping output circuit 8 output AC voltages.
In this example, high-frequency signal takes place and output control circuit employing KA7500 integrated chip.
In this example, low frequency signal takes place and output control circuit 12 comprises bistable circuit and LM324 chip, is output as 220V AC alternating voltage (being line voltage), and frequency is 50HZ.
Inverter of the present utility model can be the integral type type, is assembled in a metal-back or the plastic housing after promptly being electrically connected with lead by a circuit board or polylith circuit board, can realize the above course of work and function.
Operation principle of the present utility model: behind the storage battery of described inverter in inserting the electric bicycle car, whether within the limits prescribed to detect earlier by the DC direct voltage of storage battery input and built-in temperature, if do not meet, then high-frequency signal take place and output control circuit 4 will produce a signal of telecommunication prevention self signal output and can't the driving power output circuit, if meet, high-frequency signal generation and output control circuit 4 will produce high frequency electrical signal and promote power output circuit 5 so, be divided into two tunnel outputs behind the power output circuit 5 process inversion transforming circuits 6: the one tunnel through low amplitude value voltage rectifying circuit 11, and the DC DC level that is used for producing than low amplitude value provides power supply to low frequency signal generation and output control circuit 12; One tunnel DC DC level through the high amplitude of high amplitude voltage rectification circuit 7 generations; and then by being converted to 220V AC alternating voltage (being line voltage) output behind the DC-AC conversion shaping output circuit 8; the output current and the output voltage of while output current detection circuit 10 and output voltage sample circuit 9 at-once monitor outputs; when output current or output voltage reach the maximum that circuit sets; it will be by the signal output of generation of control low frequency signal and output control circuit 12; DC-AC conversion shaping output circuit 8 is carried out the control of output voltage, reach the purpose of protection self circuit and load circuit.High-frequency signal takes place and output control circuit 4 provides a reference power supply for overheating protection circuit 1, and when built-in temperature acquires a certain degree, thermal protection circuit 1 will trigger high-frequency signal and take place and output control circuit 4, makes circuit that the protection action take place.And excess voltage protection, under voltage protection circuit carry out real-time monitoring to the voltage of input, the temperature of complete machine, if occur unusual or then cut off the work of circuit immediately when exceeding the value range of setting, make it in the work that recovers can to carry out after normal once more.
More than be a kind of embodiment of the present utility model, all similar changes of doing according to above-mentioned design ought to belong to scope of the present utility model.
Claims (4)
1; the inverter that a kind of electric bicycle is used; it is characterized in that; described inverter is provided with overheating protection circuit; excess voltage protection; the under voltage protection circuit; high-frequency signal takes place and output control circuit; power output circuit; the inversion transforming circuit; high amplitude voltage rectification circuit; DC-AC conversion shaping output circuit; output current detection circuit; output sampling circuit; the low amplitude value voltage rectifying circuit; low frequency signal takes place and output control circuit; dc voltage importation circuit; described DC power input part parallel circuit (13) output and excess voltage protection (2) input; under voltage protection circuit (3) input; inversion transforming circuit (6) input is electrically connected; high-frequency signal takes place and output control circuit (4) input and overheating protection circuit (1) output; DC power input part parallel circuit (13) output; excess voltage protection (2) output; under voltage protection circuit (3) output is electrically connected; high-frequency signal takes place and output control circuit (4) output and power output circuit (5) input; overheating protection circuit (1) input is electrically connected; power output circuit (5) output is electrically connected with inversion transforming circuit (6) input; inversion transforming circuit (6) output and high amplitude voltage rectification circuit (7) input; low amplitude value voltage rectifying circuit (11) input is electrically connected; high amplitude voltage rectification circuit (7) output and DC-AC conversion shaping output circuit (8) input; output voltage sample circuit (9) input is electrically connected; DC-AC conversion shaping output circuit (8) output is electrically connected with output current detection circuit (10) input; low frequency signal takes place and output control circuit (12) input and low amplitude value voltage rectifying circuit (11) output; output current detection circuit (10) output; output voltage sample circuit (9) output is electrically connected, and low frequency signal takes place and output control circuit (12) output is electrically connected with DC-AC conversion shaping output circuit (8) input.
2. inverter according to claim 1 is characterized in that, described inverter is assembled in a metal-back or the plastic housing after being electrically connected with lead by a circuit board or polylith circuit board.
3. inverter according to claim 2 is characterized in that, described high-frequency signal takes place and output control circuit (4) adopts the KA7500 integrated chip.
4. inverter according to claim 3 is characterized in that, described low frequency signal takes place and output control circuit (12) comprises bistable circuit and LM324 integrated chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201019236U CN201178384Y (en) | 2008-04-14 | 2008-04-14 | Inverter for electric bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201019236U CN201178384Y (en) | 2008-04-14 | 2008-04-14 | Inverter for electric bicycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201178384Y true CN201178384Y (en) | 2009-01-07 |
Family
ID=40218406
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201019236U Expired - Fee Related CN201178384Y (en) | 2008-04-14 | 2008-04-14 | Inverter for electric bicycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201178384Y (en) |
-
2008
- 2008-04-14 CN CNU2008201019236U patent/CN201178384Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090107 Termination date: 20110414 |