CN212985500U

CN212985500U - Air compressor machine and vehicle

Info

Publication number: CN212985500U
Application number: CN202020989649.1U
Authority: CN
Inventors: 林敬国; 刘刚; 于佃义; 袁彬
Original assignee: Weichai Power Co Ltd
Current assignee: Weichai Power Co Ltd
Priority date: 2020-06-02
Filing date: 2020-06-02
Publication date: 2021-04-16
Anticipated expiration: 2030-06-02

Abstract

The utility model belongs to the technical field of the air compressor machine, concretely relates to air compressor machine and vehicle. The utility model provides an air compressor machine includes first cavity, second cavity and control cavity, the second cavity with the adjacent setting of first cavity, the control cavity is equipped with the control unit, the control unit is used for control first cavity with second cavity intercommunication or disconnection. Through using the air compressor in the technical scheme, after the pressure of the vehicle-mounted air storage tank meets the requirement, the control unit can control the first cavity and the second cavity of the air compressor to be communicated, so that when one cavity is compressed, the internal gas flows to the other air-breathing cavity, the load of the air compressor is reduced, and the effects of energy conservation and consumption reduction are achieved.

Description

Air compressor machine and vehicle

Technical Field

The utility model belongs to the technical field of the air compressor machine, concretely relates to air compressor machine and vehicle.

Background

Commercial vehicles are used for safety braking and the like, and require pressure air which is obtained by compressing air by an air compressor of an engine and pumping the air into a pressure tank of the vehicle for storage. The air compressor is arranged on the engine, and the air compressor always works in the running process of the engine to continuously compress air.

In the prior art, when the air compressor works, the air compressor still works at full load after the vehicle-mounted air storage tank reaches pressure, the power of an engine is continuously consumed all the time, and energy conservation and emission reduction are not facilitated.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the gas holder at least and reaching pressure, the air compressor machine is the problem of full load work still. The purpose is realized by the following technical scheme:

the utility model discloses a first aspect provides an air compressor machine, include:

a first chamber;

a second chamber disposed adjacent to the first chamber;

the control chamber is provided with a control unit, and the control unit is used for controlling the first chamber and the second chamber to be communicated or disconnected.

Through using the air compressor in the technical scheme, after the pressure of the vehicle-mounted air storage tank meets the requirement, the control unit can control the first cavity and the second cavity of the air compressor to be communicated, so that when one cavity is compressed, the internal gas flows to the other air-breathing cavity, the load of the air compressor is reduced, and the effects of energy conservation and consumption reduction are achieved.

In addition, according to the utility model discloses an air compressor machine still can have following additional technical characterstic:

the utility model discloses an in some embodiments, the control unit includes force pump, oil tank, automatically controlled hydrovalve and first hydraulic valve jar, the one end of automatically controlled hydrovalve with the force pump communicates mutually, the other end of automatically controlled hydrovalve with the oil tank is linked together, the pole chamber that has of first hydraulic valve jar with the one end of automatically controlled hydrovalve is linked together, the rodless chamber of first hydraulic valve jar with the other end of automatically controlled hydrovalve is linked together.

The utility model discloses an in some embodiments, first hydraulic valve cylinder includes first cylinder body, first piston and first reset spring, first piston wears to locate the inside of first cylinder body, first reset spring's one end with first piston is connected, first reset spring's the other end with first cylinder body is connected.

In some embodiments of the present invention, the first piston includes a first head portion and a first rod portion, the first head portion is connected with one end of the first return spring, and the first rod portion is disposed toward the first chamber.

In some embodiments of the present invention, the first chamber is provided with a first control hole, and the first control hole corresponds to the first rod portion.

In some embodiments of the present invention, the second chamber is provided with a second control hole, and the second control hole communicates with the second chamber and the control chamber.

The utility model discloses an in some embodiments, control is first still to include the second hydraulic valve jar, the second hydraulic valve jar includes second cylinder body, second piston and second reset spring, the second piston wears to locate the inside of second cylinder body, second reset spring's one end with the second piston is connected, second reset spring's the other end with the second cylinder body is connected.

In some embodiments of the present invention, the second piston includes a second head and a second rod, the second head is connected to one end of the second return spring, and the second rod faces the second chamber.

The utility model discloses an in some embodiments, the pole chamber that has of first hydraulic valve jar with still be equipped with first relief valve between the automatically controlled hydrovalve, the pole chamber that has of second hydraulic valve jar with still be equipped with the second relief valve between the automatically controlled hydrovalve.

The utility model also provides a vehicle, this vehicle includes the air compressor machine among the above-mentioned embodiment.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like parts are designated by like reference numerals throughout the drawings. In the drawings:

fig. 1 schematically shows an overall structural schematic diagram of an air compressor according to an embodiment of the present invention;

fig. 2 schematically shows a structural schematic diagram of a control unit of an air compressor according to an embodiment of the present invention.

10: first chamber, 11: a first control hole;

20: second chamber, 21: a second control hole;

30: control chamber, 311: pressure pump, 312: oil tank, 313: electrically controlled hydraulic valve, 314: first hydraulic cylinder, 3141: first cylinder, 31421: first head, 31422: first lever portion, 3143: return spring, 32: rod cavity, 33: rodless cavity, 315: second hydraulic valve cylinder, 316: a first relief valve.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

It is to be understood that the terminology used herein is for the purpose of describing particular example embodiments only, and is not intended to be limiting. As used herein, the singular forms "a", "an" and "the" may be intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises," "comprising," "including," and "having" are inclusive and therefore specify the presence of stated features, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and/or groups thereof. The method steps, processes, and operations described herein are not to be construed as necessarily requiring their performance in the particular order described or illustrated, unless specifically identified as an order of performance. It should also be understood that additional or alternative steps may be used.

Although the terms first, second, third, etc. may be used herein to describe various elements, components, regions, layers and/or sections, these elements, components, regions, layers and/or sections should not be limited by these terms. These terms may be only used to distinguish one element, component, region, layer or section from another region, layer or section. Terms such as "first," "second," and other numerical terms when used herein do not imply a sequence or order unless clearly indicated by the context. Thus, a first element, component, region, layer or section discussed below could be termed a second element, component, region, layer or section without departing from the teachings of the example embodiments.

For convenience of description, spatially relative terms, such as "inner", "outer", "lower", "below", "upper", "above", and the like, may be used herein to describe one element or feature's relationship to another element or feature as illustrated in the figures. Such spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" or "over" the other elements or features. Thus, the example term "below … …" can include both an orientation of above and below. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

Fig. 1 schematically shows the overall structure schematic diagram of the air compressor according to the embodiment of the present invention. As shown in FIG. 1, the utility model provides an air compressor and vehicle. The utility model provides an air compressor machine includes first cavity 10, second cavity 20 and control cavity 30, and second cavity 20 and the adjacent setting of first cavity 10, control cavity 30 are equipped with the control unit, and the control unit is used for controlling first cavity 10 and second cavity 20 intercommunication or disconnection.

Through using the air compressor in the technical scheme, after the pressure of the vehicle-mounted air storage tank meets the requirement, the control unit can control the first cavity 10 and the second cavity 20 of the air compressor to be communicated, so that when one cavity compresses air, the internal air flows to the other air-breathing cavity, thereby reducing the load of the air compressor and having the effects of saving energy and reducing consumption.

Further, in the present embodiment, the control unit includes a pressure pump 311, an oil tank 312, an electrically controlled hydraulic valve 313 and a first hydraulic cylinder 314, and one end of the electrically controlled hydraulic valve 313 is communicated with the pressure pump 311, so as to facilitate the circulation of oil in the control unit. The other end of the electrically controlled hydraulic valve 313 is connected to the oil tank 312, so that the oil can be discharged in time, and the whole flow of the control unit is facilitated. The rodless chamber 33 of the first hydraulic cylinder 314 communicates with one end of an electrically controlled hydraulic valve 313, and the rod chamber 32 of the first hydraulic cylinder 314 communicates with the other end of the electrically controlled hydraulic valve 313. When the pressure of the vehicle-mounted air storage tank meets the requirement, the vehicle controller VCU gives a signal to control the piston in the hydraulic valve cylinder to move upwards, so that the two air chambers of the air compressor are communicated, and when the first chamber 10 compresses air, the air flows to the second chamber 20, so that the load of the air compressor is reduced.

Specifically, in the present embodiment, as shown in fig. 2, the first hydraulic cylinder 314 includes a first cylinder 3141, a first piston, and a first return spring 3143, and the first piston is inserted into the first cylinder 3141, so that the first piston moves inside the first cylinder 3141, and the two chambers are connected and disconnected. One end of the first return spring 3143 is connected to the first piston, and the other end of the first return spring 3143 is connected to the first cylinder 3141. If the rodless cavity 33 of the first hydraulic valve cylinder 314 fails, and the pressure oil in the rod cavity 32 cannot be discharged, the first hydraulic valve cylinder 314 can be ensured to drain oil in time under the action of the reset spring 3143, so that the air compressor is in a safe pressure supply state, and the safety of the vehicle is ensured.

Specifically, in the present embodiment, the first piston includes the first head 31421 and the first rod 31422, and the first head 31421 is connected to one end of the first return spring 3143, so that oil can be drained in time from the hydraulic cylinder in case of a failure. The first stem portion 31422 is disposed toward the first chamber 10 and may function as a switch to connect or disconnect the gas of the two chambers.

Specifically, in the present embodiment, the first chamber 10 is provided with a first control hole 11, and the first control hole 11 is disposed corresponding to the first rod portion 31422, so that the first hydraulic cylinder 314 can be acted under the action of the vehicle controller, so that the first rod portion 31422 moves, and the load of the air compressor can be timely reduced

Further, in the present embodiment, the second chamber 20 is provided with the second control hole 21, and the second control hole 21 communicates the second chamber 20 and the control chamber 30, and it is possible to maintain the control chamber 30 in communication with the gas of both chambers while the first rod portion 31422 and the first control hole 11 are opened and closed. In this embodiment, the load of the press machine can be reduced when the press machine is fully loaded by using only one hydraulic valve cylinder and by using the second control hole 21.

Specifically, in this embodiment, the first control unit further includes a second hydraulic valve cylinder 315, the second hydraulic valve cylinder 315 includes a second cylinder body, a second piston, and a second return spring, the second piston is inserted into the second cylinder body, one end of the second return spring is connected to the second piston, and the other end of the second return spring is connected to the second cylinder body. This embodiment has used two hydraulic valve cylinders to carry out the operation of opening simultaneously or closing, can be more stable carry out the intercommunication of two cavities like this, still can guarantee energy saving and consumption reduction's purpose when a hydraulic valve cylinder trouble.

Specifically, in the present embodiment, the second piston includes a second head portion connected to one end of the second return spring, and a second rod portion disposed toward the second chamber 20, wherein the second control hole 21 is disposed corresponding to the second rod portion, and the second rod portion may also function as a switch, so that the gas in the two chambers is connected or disconnected.

Further, in the present embodiment, a first relief valve 316 is further provided between the rod chamber 32 of the first hydraulic cylinder 314 and the electrically controlled hydraulic valve 313, and a second relief valve is further provided between the rod chamber 32 of the second hydraulic cylinder 315 and the electrically controlled hydraulic valve 313. When the air compressor works, when a vehicle-mounted controller VCU detects that the pressure of a vehicle-mounted air storage tank reaches a required value, the VCU controls an electric control hydraulic valve 313 to flush downward pressure oil into a rod cavity 32 of a hydraulic valve cylinder, meanwhile, an oil return path is opened by a rodless cavity 33 through the electric control hydraulic valve 313, hydraulic oil pushes a piston in the hydraulic valve cylinder to move upwards, so that a rod part moves upwards, and the lower end of the rod part and a control hole are opened. As shown in fig. 1, at this time, the two chambers of the air compressor are kept in communication, and when the first chamber 10 is compressed, the second chamber 20 is in a suction state, so that gas enters the suction second chamber 20 from the compressed first chamber 10 (the direction of the arrow in fig. 1 is the direction of the movement of the piston).

Specifically, in this embodiment, when the air compressor is in operation, and the vehicle-mounted controller VCU detects that the pressure of the vehicle-mounted air tank reaches a required value, the VCU controls the electrically controlled hydraulic valve 313 to flush the pressure oil into the rod cavity 32 of the hydraulic valve cylinder, and meanwhile, the rodless cavity 33 opens the oil return path through the electrically controlled hydraulic valve 313, and the hydraulic oil pushes the piston in the hydraulic valve cylinder to move upward, so that the rod portion moves upward, and the lower end of the rod portion and the control hole are opened. At the moment, two chambers of the air compressor are communicated, and when one cylinder of the air compressor is compressed, the other cylinder is in a suction state, so that air enters the suction chamber from the compressed chamber.

Specifically, in the present embodiment, when the vehicle-mounted controller VCU detects that the vehicle-mounted tank pressure is less than the required limit, the pressurized oil in the rodless chamber 33 of the hydraulic cylinder opens and flows in, and the oil return path in the rod chamber 32 opens and flows out. The piston of the hydraulic valve cylinder moves downwards, the rod part is closed with the control hole, so that the two chambers of the air compressor are not communicated any more, and the air compressor normally supplies compressed air outwards.

Specifically, in other embodiments, the hydraulic cylinder may also adopt an electromagnetic valve or other structures similar to the valve body, so as to ensure that the valve body can be conveniently opened and closed, and the purpose of saving energy and reducing consumption of the air compressor can be achieved.

The utility model also provides a vehicle, including above air compressor machine.

Through using the vehicle in this technical scheme, after on-vehicle gas holder pressure reached the requirement, the control unit can control the first cavity and the second cavity of air compressor machine and communicate, and when making a cavity calm the anger, inside gas flow direction another cavity of breathing in to the load of air compressor machine has been reduced, energy saving and consumption reduction's effect has.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. An air compressor machine, its characterized in that includes:

a first chamber;

a second chamber disposed adjacent to the first chamber;

2. The air compressor according to claim 1, wherein the control unit includes a pressure pump, an oil tank, an electrically controlled hydraulic valve and a first hydraulic valve cylinder, one end of the electrically controlled hydraulic valve is communicated with the pressure pump, the other end of the electrically controlled hydraulic valve is communicated with the oil tank, a rod chamber of the first hydraulic valve cylinder is communicated with one end of the electrically controlled hydraulic valve, and a rodless chamber of the first hydraulic valve cylinder is communicated with the other end of the electrically controlled hydraulic valve.

3. The air compressor as claimed in claim 2, wherein the first hydraulic valve cylinder includes a first cylinder body, a first piston and a first return spring, the first piston is disposed through the first cylinder body, one end of the first return spring is connected to the first piston, and the other end of the first return spring is connected to the first cylinder body.

4. The air compressor as claimed in claim 3, wherein said first piston includes a first head portion connected to one end of said first return spring and a first rod portion disposed toward said first chamber.

5. The air compressor as claimed in claim 4, wherein said first chamber is provided with a first control hole, said first control hole being disposed in correspondence with said first rod portion.

6. The air compressor as claimed in claim 5, wherein said second chamber is provided with a second control hole communicating said second chamber and said control chamber.

7. The air compressor as claimed in claim 6, wherein the first control cylinder further comprises a second hydraulic cylinder, the second hydraulic cylinder comprises a second cylinder body, a second piston and a second return spring, the second piston is inserted into the second cylinder body, one end of the second return spring is connected to the second piston, and the other end of the second return spring is connected to the second cylinder body.

8. The air compressor of claim 7, wherein the second piston includes a second head portion connected to one end of the second return spring and a second rod portion disposed toward the second chamber.

9. The air compressor as claimed in claim 7, wherein a first safety valve is further disposed between the rod chamber of the first hydraulic cylinder and the electrically controlled hydraulic valve, and a second safety valve is further disposed between the rod chamber of the second hydraulic cylinder and the electrically controlled hydraulic valve.

10. A vehicle characterized by having an air compressor according to any one of claims 1-9.