CN207377845U - A kind of speed regulation device for air blower - Google Patents
A kind of speed regulation device for air blower Download PDFInfo
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- CN207377845U CN207377845U CN201720710996.4U CN201720710996U CN207377845U CN 207377845 U CN207377845 U CN 207377845U CN 201720710996 U CN201720710996 U CN 201720710996U CN 207377845 U CN207377845 U CN 207377845U
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Abstract
The utility model discloses a kind of speed regulation device for air blower, it includes PWM alignment circuit modules, Wiring port is provided in the PWM alignment circuits module, gear selection circuit is provided in the PWM alignment circuits module and circuit occurs for pwm signal, the speed-regulating instruction that the gear selection circuit reception is inputted from speed-regulating switch via the Wiring port, the pwm signal is transmitted to after identification, circuit occurs, the pwm signal occurs circuit and generates control signal according to input instruction to carry out corresponding speed regulating control to the air conditioner blower.The shape of the PWM alignment circuits module and port are designed so that it can directly be exchanged with existing air conditioner blower speed adjusting resistance module, so as to which on the premise of former fare road is not changed, the speed adjusting resistance module of former vehicle is directly transformed to PWM arrangements for speed regulation.
Description
Technical field
It is especially a kind of to use PWM the utility model is related to the arrangements for speed regulation of blower for vehicle air conditioning（Pulse Width
Modulation, pulse width modulation）Mode carries out the device of speed governing.
Background technology
In automobile all can standard configuration air-conditioning system, to ensure the driving comfort level of vehicle, especially drive in summer or winter
In the process, interior air-conditioning system is even more and to be commonly used, and is generally in prolonged opening, until driving terminates.
Since the use condition or environment of air-conditioning can change, air-conditioning can all be equipped with arrangements for speed regulation, with to air output
It is adjusted, complies with the requirement of interior use environment.For arrangements for speed regulation, industry is common at present series resistance
Formula arrangements for speed regulation and PWM formula arrangements for speed regulation.
Wherein, using the air-conditioning system of series electrical resistive arrangements for speed regulation, when carrying out air conditioner blower speed governing, the air-conditioning
In the process of running, the speed adjusting resistance module of the arrangements for speed regulation can generate the heat of great quantities of spare to air blower, cause the sky
The energy conversion efficiency for adjusting air blower is very low.Especially air conditioner blower quantity switch of air is under low-grade location operation, air-conditioning drum
The service efficiency of wind turbine is usually less than 40%.Big energy is so virtually wasted, increases running car oil consumption.
Specifically, refer to shown in Fig. 3, which illustrates the series electrical resistives that existing whole-vehicle air-conditioner air blower uses
The particular circuit configurations of arrangements for speed regulation.Wherein user connects different Wiring ports 1,2,3 by speed-regulating switch 20, to select to go here and there
Different resistance values is sealed in 30 circuit of air blower in connection resistance-type circuit module 50, to change the electricity at 30 circuit both ends of air blower
Pressure value, so as to fulfill the adjusting to blower air quantity.But as shown in FIG., wherein quantity switch of air is in smaller gear, seals in
Resistance value it is bigger, speed adjusting resistance consumption energy ratio it is bigger.Therefore, big energy is wasted, increases running car oil
Consumption.
And for PWM formula arrangements for speed regulation, under the realization method applied on blower for vehicle air conditioning being currently known includes
Row several ways：
1st, some height of PWM modes of speed regulation are carried out using automatic or Electric Air-Conditioner Controller with vehicle, pwm signal generation electricity
Road is integrated in air-conditioner controller, while semiconductor drive circuit is placed in air-conditioning box, but automatic or electric air-conditioning control
Device processed cost first is higher, secondly for having had purchased the user of manual air conditioner, due to existing manual air conditioner with it is electronic or from
Movement controller uses different control strategies, therefore manual air conditioner can not be directly by upgrading into motorized or automatic air-conditioner controller
PWM speed governing is carried out to air blower to realize.
2nd, using the PWM speed adjusting modules of circumscribed, installing the PWM speed adjusting modules of circumscribed needs to change overall wire sheaves, together
When air-conditioning box assembly on increase speed adjusting module mounting bracket.Vehicle guarantee model will be no longer enjoyed after voluntarily being changed due to vehicle
It encloses, and voluntarily change carrys out the harness of vehicle or electric system can be there are certain risk, therefore equally exist limitation.
Utility model content
The purpose of this utility model is to provide a kind of speed regulation device for air blower, can not change former vehicle
On the premise of circuit, directly the speed adjusting resistance module of former vehicle is replaced, the PWM mode of vehicle air conditioning air blower where realizing
Speed governing.
To achieve these goals, the technical solution adopted in the utility model is as follows：
A kind of speed regulation device for air blower, including PWM alignment circuit modules, the PWM alignment circuits module
On be provided with Wiring port；The PWM alignment circuits module includes gear selection circuit and circuit, wherein institute occur for pwm signal
The speed-regulating instruction that gear selection circuit reception is inputted from speed-regulating switch via the Wiring port is stated, is transmitted to after identification
Circuit occurs for the pwm signal, and the pwm signal occurs circuit and generates control signal according to the described instruction of input with to described
Air conditioner blower carries out corresponding speed regulating control.
Favourable, according to the speed regulation device for air blower that one embodiment of the utility model provides, wherein institute
It states PWM alignment circuit modules and further includes regulator circuit, connect the Wiring port and the gear selection circuit.
Favourable, according to the speed regulation device for air blower that one embodiment of the utility model provides, wherein institute
It states PWM alignment circuit modules and further includes the semiconductor drive circuit that circuit occurs and is connected with the pwm signal.
Favourable, according to the speed regulation device for air blower that one embodiment of the utility model provides, wherein institute
It states PWM alignment circuit modules and further includes the protection circuit that circuit occurs and is connected with the pwm signal.
Favourable, according to the speed regulation device for air blower that one embodiment of the utility model provides, wherein institute
It states and is additionally provided with cooling mechanism in PWM alignment circuit modules.
Favourable, according to the speed regulation device for air blower that one embodiment of the utility model provides, wherein institute
Stating cooling mechanism includes cooling fin.
The beneficial effects of the utility model are：The blower for vehicle air conditioning speed governing provided on one side according to the utility model
Device, the shape of PWM alignment circuit modules and port are designed so that it can be with existing air conditioner blower speed adjusting resistance
Module is directly exchanged, and so, it is possible that on the premise of former fare road is not changed, the speed adjusting resistance module of former vehicle is directly become
PWM arrangements for speed regulation are changed to, so as to fulfill the conversion regulated and controled to the PWM formulas of existing blower for vehicle air conditioning, that is, improve air-conditioning drum
Wind turbine energy conversion efficiency, and saved energy consumption.
In addition, the PWM arrangements for speed regulation provided according to one embodiment of the utility model can directly with existing air-conditioning air blast
The speed adjusting resistance module of machine is interchangeable installation, has good promotion prospect.
Description of the drawings
Fig. 1 is the PWM speed governing of the speed regulation device for air blower provided according to one embodiment of the utility model
The structure diagram of circuit module.
Fig. 2 be the speed regulation device for air blower provided according to one embodiment of the utility model when in use
Circuit connection diagram.
Fig. 3 is a kind of circuit connection diagram of known speed adjusting resistance module when in use.
The reference numerals are as follows in Fig. 1 ~ Fig. 3.
| Alignment circuit module | 10 | Circuit occurs for pwm signal | 11 |
| Semiconductor drive circuit | 12 | Regulator circuit | 13 |
| Protect circuit | 14 | Gear selection circuit | 15 |
| Speed-regulating switch | 20 | Air blower | 30 |
| Vehicle power supply | 40 | Series electrical resistive circuit module | 50 |
Specific embodiment
Below with reference to drawings and examples, a kind of air conditioning for automobiles provided according to the technical solution of the utility model is roused
Fan speed adjuster is described in further detail.
According to a kind of speed regulation device for air blower that one embodiment of the utility model provides, including speed governing
Circuit module 10, cooling mechanism and mechanism for installing are provided with Wiring port in the alignment circuit module 10.Wherein, institute
It states alignment circuit module 10 to can be directly disposed in the mounting bracket of existing air conditioner blower speed adjusting resistance module, the wiring
Port can be directly connected with existing air conditioner blower speed-regulating switch.That is, it is provided according to one embodiment of the utility model
Alignment circuit module 10, can directly replace existing air conditioner blower speed adjusting resistance module, mounted on original speed governing electricity
It hinders on module position, carries out air conditioner blower speed governing work, make the mode of speed regulation of its air blower by original series resistance
Formula control methods become PWM formula control methods.
Specifically, refering to Figure 1, the alignment circuit module 10 is a PWM alignment circuit module, including
Circuit 11, semiconductor drive circuit 12, regulator circuit 13, protection circuit 14 and gear selection circuit 15 occur for pwm signal.
It refers to shown in Fig. 2, air conditioner blower speed-regulating switch 20 is powered by vehicle power supply 40, after being powered, as needed
Different gears is selected, to be connected on the different Wiring ports 1,2,3 on the body.Via Wiring port input
Speed-regulating instruction first via the regulator circuit 13 after, then command information identified by the gear selection circuit 15, is then issued to
Circuit 11 occurs for the pwm signal, generates corresponding control signal according to the instruction of reception to carry out corresponding speed governing output.
Cooling mechanism is provided in the alignment circuit module, for example, cooling fin, to ensure the PWM alignment circuits
Module at work will not be excessively high because of temperature, and influences its performance.
According to the blower for vehicle air conditioning PWM arrangements for speed regulation that one embodiment of the utility model provides, alignment circuit
The shape of module and its port are designed so that it can directly be exchanged with existing air conditioner blower speed adjusting resistance module,
It so, it is possible on the premise of former fare road is not changed, the speed adjusting resistance module of former vehicle be directly transformed to PWM arrangements for speed regulation,
So as to fulfill the conversion regulated and controled to the PWM formulas of existing blower for vehicle air conditioning, that is, air conditioner blower energy conversion efficiency is improved,
Energy consumption has been saved again.
In addition, according to the utility model embodiment provide PWM arrangements for speed regulation due to can directly with existing air-conditioning air blast
The speed adjusting resistance module of machine is interchangeable installation so that its great promotion prospect.
The technical scope of the utility model is not limited solely to the content in above description, and those skilled in the art can be
On the premise of not departing from the utility model technological thought, to above-described embodiment carry out many variations and modifications, and these deformation and
Modification should all belong in the scope of the utility model.
Claims (6)
1. a kind of speed regulation device for air blower, which is characterized in that it includes PWM alignment circuit modules, the PWM speed governing
Wiring port is provided on circuit module；The PWM alignment circuits module is arranged on blower for vehicle air conditioning speed adjusting resistance mould
In the mounting bracket of block, the Wiring port is connected with air conditioner blower speed-regulating switch；The PWM alignment circuits module includes shelves
Circuit occurs for position selection circuit and pwm signal, wherein gear selection circuit reception is opened from the air conditioner blower speed governing
The speed-regulating instruction inputted via the Wiring port is closed, the pwm signal is transmitted to after identification, circuit, the PWM occurs
Signal generating circuit generates control signal to carry out corresponding speed governing control to the air conditioner blower according to the described instruction of input
System.
A kind of 2. speed regulation device for air blower according to claim 1, which is characterized in that the PWM speed governing electricity
Road module further includes regulator circuit, connects the Wiring port and the gear selection circuit.
A kind of 3. speed regulation device for air blower according to claim 1, which is characterized in that the PWM speed governing electricity
Road module further includes the semiconductor drive circuit that circuit occurs and is connected with the pwm signal.
A kind of 4. speed regulation device for air blower according to claim 1, which is characterized in that the PWM speed governing electricity
Road module further includes the protection circuit that circuit occurs and is connected with the pwm signal.
A kind of 5. speed regulation device for air blower according to claim 1, which is characterized in that the PWM speed governing electricity
Cooling mechanism is additionally provided in the module of road.
A kind of 6. speed regulation device for air blower according to claim 5, which is characterized in that the radiator structure bag
Include cooling fin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720710996.4U CN207377845U (en) | 2017-06-19 | 2017-06-19 | A kind of speed regulation device for air blower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720710996.4U CN207377845U (en) | 2017-06-19 | 2017-06-19 | A kind of speed regulation device for air blower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207377845U true CN207377845U (en) | 2018-05-18 |
Family
ID=62297937
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720710996.4U Active CN207377845U (en) | 2017-06-19 | 2017-06-19 | A kind of speed regulation device for air blower |
Country Status (1)
| Country | Link |
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| CN (1) | CN207377845U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111622977A (en) * | 2020-06-09 | 2020-09-04 | 江苏罗思韦尔电气有限公司 | Fault detection method and device for air blower of automobile air conditioner |
-
2017
- 2017-06-19 CN CN201720710996.4U patent/CN207377845U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111622977A (en) * | 2020-06-09 | 2020-09-04 | 江苏罗思韦尔电气有限公司 | Fault detection method and device for air blower of automobile air conditioner |
| CN111622977B (en) * | 2020-06-09 | 2022-01-11 | 江苏罗思韦尔电气有限公司 | Fault detection method and device for air blower of automobile air conditioner |
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