CN203958125U - The pneumatic control system of automobile regenerative brake - Google Patents
The pneumatic control system of automobile regenerative brake Download PDFInfo
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- CN203958125U CN203958125U CN201420268775.2U CN201420268775U CN203958125U CN 203958125 U CN203958125 U CN 203958125U CN 201420268775 U CN201420268775 U CN 201420268775U CN 203958125 U CN203958125 U CN 203958125U
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- valve
- air compressor
- inverter
- mouth
- electric air
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Abstract
The utility model relates to a kind of automotive system, is specifically related to a kind of pneumatic control system of automobile regenerative brake.Comprise electric air compressor, unloading valve, air receiver and inverter, the mouth of described inverter is electrically connected with electric air compressor, described electric air compressor mouth is connected by pipeline with the admission port of unloading valve, the air extractor duct of described unloading valve is connected by pipeline with air receiver, described unloading valve is provided with feedback port, described feedback port place is provided with pressure switch, and the mouth of described pressure switch is electrically connected with controller.The operation conditions of the utility model Based Intelligent Control vehicle mounted electric Air compressor, in the time that reaching specified air pressure, system air pressure make electric air compressor out of service, in the time that air pressure reduces, make electric air compressor continue operation, actv. has been saved the energy, has improved the electric air compressor life-span.
Description
Technical field
The utility model relates to a kind of automotive system, is specifically related to a kind of pneumatic control system of automobile regenerative brake.
Background technology
At present, adopt the new-energy automobile of air braking system generally to adopt electric air compressor that source of the gas is provided, known structure is that electric air compressor provides power supply by inverter, and unloading valve is set after Air compressor.When Air compressor air feed, air pressure reaches after specified air pressure, and unloading valve is opened, and by the pipeline connection atmosphere before it, electric air compressor is realized pressure release, and the check valve of simultaneously opening in it is closed its later pipeline system, thereby keeps air pressure.When pipeline system air pressure after unloading valve drops to unloading valve shutoff pressure, unloading valve cuts out and being communicated with of atmosphere, and supply air line is communicated with, and Air compressor starts to pipeline system air feed.This kind of mode of operation is to start to start from car load, and electric air compressor is running always just, and when system pressure reaches after rated pressure, Air compressor still will turn round, and pressure is now by removal.Having caused like this waste of the energy,, to also there is certain influence its service life in motor long time running simultaneously.
Utility model content
The purpose of this utility model is to provide a kind of pneumatic control system of automobile regenerative brake.It can stop the running of electric air compressor after system reaches rated pressure, and after pressure is by removal, makes electric air compressor work on, and can effectively save the energy.
The technical solution of the utility model is: a kind of pneumatic control system of automobile regenerative brake, comprise electric air compressor, unloading valve, air receiver and inverter, the mouth of described inverter is electrically connected with electric air compressor, described electric air compressor mouth is connected by pipeline with the admission port of unloading valve, the air extractor duct of described unloading valve is connected by pipeline with air receiver, described unloading valve is provided with feedback port, described feedback port place is provided with pressure switch, and the mouth of described pressure switch is electrically connected with controller.
Further, the mouth of described pressure switch is connected with the J12 pin of main control chip in inverter.
Further, also comprise electrokinetic cell, the mouth of described electrokinetic cell is connected with J7 and the J8 pin of main control chip in inverter, and in described inverter, main control chip is connected with electric air compressor for J1, J3, the J4 pin of electric power output.
Further, described unloading valve comprises blow off valve, limiting valve and the main line between unloading valve admission port and air extractor duct, described main line is provided with check valve, the admission port of described limiting valve is connected on the main line between check valve and air extractor duct, and the air extractor duct of described limiting valve is connected with the control mouth of feedback port and blow off valve respectively.
Further, described limiting valve is two position three way directional control valve.
Further, described blow off valve is bi-bit bi-pass change-over valve.
The beneficial effects of the utility model are: the utility model by having set up a feedback port on unloading valve, and at feedback port place, pressure switch is set, intrasystem force value can be reflected on inverter timely, and by the control function of inverter, make inverter according to the running of the digital-signal intelligent control vehicle mounted electric Air compressor importing into of pressure switch whether, in the time that reaching specified air pressure, system air pressure make electric air compressor out of service, in the time that reducing, air pressure make electric air compressor continue operation, actv. has been saved the energy, improve the electric air compressor life-span.
Brief description of the drawings
Fig. 1 is prior art structural representation;
Fig. 2 is the utility model structural representation;
Fig. 3 is the schematic diagram of the utility model unloading valve work;
Fig. 4 is the utility model inverter control circuit schematic diagram;
In figure: 1-electric air compressor, 2-unloading valve, 2.1-limiting valve, 2.2-blow off valve, 2.3-admission port, 2.4-air extractor duct, 2.5-feedback port, 2.6-exhausr port, 2.7-check valve, 2.8-main line, 3-air receiver, 4-inverter, 5-pipeline, 6-pressure switch, 7-electrokinetic cell, 8-main control chip, 9-inverter power supply.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Be illustrated in figure 1 prior art structural representation, the mouth of electric air compressor 1 is connected with the admission port 2.3 of unloading valve 2 by pipeline 5, the air extractor duct 2.4 of unloading valve 2 is connected with two air receivers 3 by pipeline 5, the mouth of inverter 4 is connected with electric air compressor 1, is used to electric air compressor 1 to power.
Its principle of work is as follows: by inverter 4, electrokinetic cell is provided direct supply change into and be applicable to the source of AC that uses of electric air compressor 1 and offer electric air compressor 1.Electric air compressor 1 is in the time of air feed, air pressure reaches after specified air pressure, unloading valve 2 is opened, pipeline connection atmosphere before unloading valve 2 is realized to pressure release, the check valve of simultaneously opening in it is closed its later pipeline system, thereby keep the air pressure of air receiver 3 to remain unchanged, in the time that the air pressure of unloading valve 2 rear pipeline systems drops to the pressure that unloading valve 2 cuts out, unloading valve 2 cuts out.
Be illustrated in figure 2 the utility model schematic diagram, the utility model arranges feedback port 2.5 on existing basis on unloading valve 2, and at feedback port 2.5 places, a pressure switch 7 is set.As shown in Figure 4, also comprise electrokinetic cell 7, the mouth of electrokinetic cell 7 is connected with J7 and the J8 pin of main control chip in inverter 8, to inverter 4 input dc powers, in inverter, the J1 of main control chip 8, J3, J4 pin are connected with electric air compressor 1, for the three plase alternating current after transforming is outputed to electric air compressor 1.In inverter, the J12 pin of main control chip 8 is provided with ten ports, the mouth of pressure switch 6 is connected with the J12 pin of main control chip in inverter 8 by one of them port, for the system pipeline pressure signal receiving is sent in inverter 4, thereby control electric air compressor 1 operating condition by inverter 4.Inverter power supply 9 is that main control chip 8 in inverter is powered by J12 pin, and by main control chip 8, electricity is transported to each port, controls their operation and break-make simultaneously, and wherein the model of inverter control chip 8 is 18KPCB-1.
Be illustrated in figure 3 the fundamental diagram of the utility model unloading valve 2, in figure, unloading valve 2 comprises blow off valve 2.2, limiting valve 2.1 and the main line 2.8 between unloading valve 2 admission ports 2.3 and air extractor duct 2.4, described main line 2.8 is provided with check valve 2.7, the admission port of described limiting valve 2.1 is connected on the main line 2.8 between check valve 2.7 and air extractor duct, the air extractor duct of described limiting valve 2.1 is connected with the control mouth of feedback port 2.5 and blow off valve 2.2 respectively, described blow off valve 2.2 exhausr port 2.6 be communicated with atmosphere.Wherein limiting valve 2.1 is two position three way directional control valve, and blow off valve 2.2 is bi-bit bi-pass change-over valve.
Principle of work of the present utility model is as follows: inverter 4 electrokinetic cell 7 is inputted direct current (DC) change into and be applicable to the three plase alternating current that uses of electric air compressor 1, and by J1, J3, J4 pin, this alternating current is offered to electric air compressor 1.When electric air compressor 1 air feed, air pressure in pipeline 5 reaches after specified air pressure, the air pressure at unloading valve 2 air extractor duct 2.4 places also reaches specified air pressure, now limiting valve 2.1 reaches response pressure, the pressure signal of unloading valve 2 air extractor ducts 2.4 is delivered to the control mouth of feedback port 2.5 and blow off valve 2.2 by the mouth of limiting valve 2.1.Now the air pressure at blow off valve 2.2 places also reaches specified air pressure and opens, and the exhausr port 2.6 of blow off valve 2.2 starts outside exhaust.And the pressure signal at feedback port 2.5 places will send pressure switch 6 to, pressure switch 6 is converted into digital signal by pressure signal from analog signal, and by J12 pin by digital signal transfers to inverter 4.Inverter 4 can stop the power supply to electric air compressor 1 after receiving signal, and electric air compressor 1 shuts down.Along with the gas in pipeline is discharged gradually, when pressure drop to the limiting valve 2.1 of gas cuts out in pipeline air pressure, limiting valve 2.1 is got back to the open to atmosphere state that connects, and the air pressure at feedback port 2.5 and blow off valve 2.2 places all declines and causes atmospheric gas pressure, is zero.Now blow off valve 2.2 will be closed, and exhausr port 2.6 stops outside exhaust.The pressure switch 6 at feedback port 2.5 places can be closed, and inverter 4 continues to power to electric air compressor 1 by J1, J3, J4 pin, and electric air compressor 1 entry into service continues inflation in pipeline.And so forth, thus reach and save the object of the energy.
The above; be only detailed description of the invention of the present utility model, it should be pointed out that any those of ordinary skill in the art are in the disclosed technical scope of the utility model; the variation that can expect easily or replacement, within all should being encompassed in protection domain of the present utility model.
Claims (6)
1. the pneumatic control system of an automobile regenerative brake, comprise electric air compressor, unloading valve, air receiver and inverter, the mouth of described inverter is electrically connected with electric air compressor, described electric air compressor mouth is connected by pipeline with the admission port of unloading valve, the air extractor duct of described unloading valve is connected by pipeline with air receiver, it is characterized in that: described unloading valve is provided with feedback port, described feedback port place is provided with pressure switch, and the mouth of described pressure switch is electrically connected with inverter.
2. the pneumatic control system of a kind of automobile regenerative brake as claimed in claim 1, is characterized in that: the mouth of described pressure switch is connected with the J12 pin of main control chip in inverter.
3. the pneumatic control system of a kind of automobile regenerative brake as claimed in claim 1, it is characterized in that: also comprise electrokinetic cell, the mouth of described electrokinetic cell is connected with J7 and the J8 pin of main control chip in inverter, and in described inverter, main control chip is connected with electric air compressor for J1, J3, the J4 pin of electric power output.
4. the pneumatic control system of a kind of automobile regenerative brake as claimed in claim 1, it is characterized in that: described unloading valve comprises blow off valve, limiting valve and the main line between unloading valve admission port and air extractor duct, described main line is provided with check valve, the admission port of described limiting valve is connected on the main line between check valve and air extractor duct, and the air extractor duct of described limiting valve is connected with the control mouth of feedback port and blow off valve respectively.
5. the pneumatic control system of a kind of automobile regenerative brake as claimed in claim 4, is characterized in that: described limiting valve is two position three way directional control valve.
6. the pneumatic control system of a kind of automobile regenerative brake as claimed in claim 4, is characterized in that: described blow off valve is bi-bit bi-pass change-over valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420268775.2U CN203958125U (en) | 2014-05-23 | 2014-05-23 | The pneumatic control system of automobile regenerative brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420268775.2U CN203958125U (en) | 2014-05-23 | 2014-05-23 | The pneumatic control system of automobile regenerative brake |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203958125U true CN203958125U (en) | 2014-11-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420268775.2U Active CN203958125U (en) | 2014-05-23 | 2014-05-23 | The pneumatic control system of automobile regenerative brake |
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| Country | Link |
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| CN (1) | CN203958125U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110696802A (en) * | 2019-11-12 | 2020-01-17 | 徐州徐工汽车制造有限公司 | Start-stop system and start-stop method of electric air compressor for new energy vehicle |
-
2014
- 2014-05-23 CN CN201420268775.2U patent/CN203958125U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110696802A (en) * | 2019-11-12 | 2020-01-17 | 徐州徐工汽车制造有限公司 | Start-stop system and start-stop method of electric air compressor for new energy vehicle |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |