Fuel gas booster pump driving device with cooling fin structure

Abstract

The utility model discloses a fuel gas booster pump driving device with a radiating fin structure, which comprises a boosting driving unit arranged in a fuel gas booster pump, the boosting driving unit comprises a main piston cylinder and an auxiliary piston cylinder which are fixedly communicated in sequence, the outer wall of the auxiliary piston cylinder is fixedly communicated with two fuel gas pipes, and the two fuel gas pipes are communicated with the main piston cylinder. The pipe walls of the two gas pipes are both sleeved with gas one-way valves, a linear reciprocating motor is fixedly installed at the top of the main piston cylinder, and the output end of the linear reciprocating motor penetrates through the main piston cylinder in a sealed and sliding mode and is fixedly connected with a pressurizing piston assembly. Cold air is guided into the main piston cylinder through the one-way air suction assembly, heated air in the main piston cylinder is exhausted through the one-way exhaust assembly, active exchange of heat in the main piston cylinder is achieved, heat conduction with outside air is continuously conducted through a large number of cooling fins, heat dissipation of the surface of the cylinder body is accelerated, and the service life of the main piston cylinder is prolonged. And the operating temperature of the cylinder body is effectively reduced.

Description

Technical Field

[0001] This utility model relates to the field of gas booster pump technology, and in particular to a gas booster pump drive device with a heat sink structure. Background Technology

[0002] A gas booster pump is a device used to increase the pressure of gas. It is mainly used to solve the supply problem caused by insufficient gas pressure during the gas transmission process, and to ensure that gas can be delivered stably and efficiently to the user end or specific equipment. The gas booster pump is mainly composed of core components such as pump body, piston, diaphragm, drive mechanism and inlet and outlet valves. Its working principle is based on Pascal's law. It drives the gas pressure by low gas pressure at the large-area piston end, which is converted into high hydraulic pressure at the small-area piston end.

[0003] During the operation of the gas booster pump drive device, the piston continuously reciprocates linearly within the cylinder cavity. Frequent friction between the piston and piston causes the cylinder temperature to rise. Although existing booster pumps have heat dissipation holes, the lack of an internal air guiding structure makes it difficult for external air to form effective convection and penetrate deep into the cylinder to remove heat. Especially under long-term high-pressure load conditions, the heat continues to accumulate and cannot be dissipated in time, which not only accelerates component aging and reduces sealing performance, but may also cause safety hazards such as gas leakage and equipment failure. Therefore, a gas booster pump drive device with a heat sink structure is proposed. Utility Model Content

[0004] The purpose of this section is to outline some aspects of embodiments of the present invention and to briefly describe some preferred embodiments. Simplifications or omissions may be made in this section, as well as in the abstract and title of this application, to avoid obscuring the purpose of these documents; however, such simplifications or omissions should not be construed as limiting the scope of the present invention.

[0005] In view of the problems existing in the current gas booster pump drive device with heat sink structure, this utility model is proposed.

[0006] Therefore, the purpose of this utility model is to provide a gas booster pump drive device with a heat sink structure, which is suitable for solving the problem that during the operation of the gas booster pump drive device, the cylinder temperature continuously rises, and under long-term high-pressure load conditions, the heat of the cylinder is difficult to dissipate in time, which leads to high temperature accelerating component aging, reducing its sealing performance, and may also cause gas leakage.

[0007] To solve the above-mentioned technical problems, this utility model provides the following technical solution: a gas booster pump drive device with a heat sink structure, comprising:

[0008] A booster drive unit is installed inside a gas booster pump. The booster drive unit includes a main piston cylinder and a secondary piston cylinder that are fixedly connected in sequence. Two gas pipes are fixedly connected to the outer wall of the secondary piston cylinder. Gas one-way valves are sleeved on the walls of the two gas pipes. A linear reciprocating motor is fixedly installed on the top of the main piston cylinder. The output end of the linear reciprocating motor is sealed and slides through the main piston cylinder and is fixedly connected to a booster piston assembly.

[0009] The heat dissipation unit includes a circular cover fixedly fitted onto the main piston cylinder. The bottom of the circular cover is open. The circular cover is connected to the top of the main piston cylinder through a one-way intake assembly. The top of the main piston cylinder is connected to a one-way exhaust assembly. Multiple heat dissipation fins are fixedly connected to the outer wall of the main piston cylinder.

[0010] As a preferred embodiment of the gas booster pump drive device with heat sink structure described in this utility model, the booster piston assembly consists of two piston discs of different diameters and a connecting rod. The two piston discs are respectively fixed at both ends of the connecting rod. The larger piston disc is located inside the main piston cylinder and fixed to the output end of the linear reciprocating motor. Piston sealing rings are provided at the top edges of both piston discs.

[0011] As a preferred embodiment of the gas booster pump drive device with heat sink structure described in this utility model, the one-way air intake assembly includes multiple air intake pipes, with both ends of each air intake pipe fixedly connected to the top of the main piston cylinder and the circular cover, and each air intake pipe wall is fitted with a one-way air intake valve to realize one-way intake of cold air.

[0012] As a preferred embodiment of the gas booster pump drive device with heat sink structure described in this utility model, the one-way exhaust assembly includes an exhaust pipe fixedly connected to the top of the main piston cylinder, and a one-way exhaust valve is sleeved on the exhaust pipe for discharging hot air from the cylinder in one direction.

[0013] In a preferred embodiment of the gas booster pump drive device with heat sink structure described in this utility model, a temperature sensor is fixedly connected to the exhaust pipe, and the sensing head of the temperature sensor extends through the exhaust pipe.

[0014] As a preferred embodiment of the gas booster pump drive device with heat sink structure described in this utility model, each of the intake pipes and exhaust pipes is fitted with sound-absorbing cotton, and the sound-absorbing cotton on the exhaust pipe has a notch that fits the temperature sensor.

[0015] In a preferred embodiment of the gas booster pump drive device with heat sink structure described in this utility model, a filter plate is fixedly connected to the bottom of the inner cavity of the circular cover, and the filter plate is sleeved on the outer wall of the main piston cylinder.

[0016] As a preferred embodiment of the gas booster pump drive device with heat sink structure described in this utility model, wherein: multiple heat sinks are distributed in a ring at equal intervals on the outer wall of the main piston cylinder, and the shape of the heat sinks is wavy and curved.

[0017] The beneficial effects of this utility model are as follows: When the booster drive unit of the gas booster pump is running, the piston disc, in conjunction with the one-way intake component, guides cold air into the main piston cylinder and allows the heated air inside the cylinder to be discharged through the one-way exhaust component, thereby realizing the active exchange of heat inside the main piston cylinder. At the same time, a large number of heat sinks distributed on the outer wall of the main piston cylinder continuously conduct heat with the outside air, accelerating the dissipation of heat on the cylinder surface, so as to effectively reduce the operating temperature of the cylinder and ensure the stable operation of the gas booster pump. Attached Figure Description

[0018] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort. Among them:

[0019] Figure 1 This is a schematic diagram of the overall structure of the gas booster pump drive device with heat sink structure proposed in this utility model;

[0020] Figure 2 This is a cross-sectional schematic diagram of the internal structure of the circular cover proposed in this utility model;

[0021] Figure 3 This is a partial cross-sectional schematic diagram of the main piston cylinder and the auxiliary piston cylinder proposed in this utility model. Attached image description:

[0023] 100. Boost drive unit; 101. Main piston cylinder; 102. Auxiliary piston cylinder; 103. Gas pipe; 104. Gas check valve; 105. Linear reciprocating motor; 106. Boost piston assembly; 106a. Piston disc; 106b. Connecting rod; 106c. Piston seal ring;

[0024] 200. Heat dissipation unit; 201. Circular cover; 202. One-way air intake assembly; 202a. Air intake pipe; 202b. One-way air intake valve; 203. One-way air exhaust assembly; 203a. Exhaust pipe; 203b. One-way exhaust valve; 204. Heat sink; 205. Temperature sensor; 206. Sound-absorbing cotton; 207. Filter plate. Detailed Implementation

[0025] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings.

[0026] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Those skilled in the art can make similar extensions without departing from the spirit of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0027] Secondly, the term "an embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The phrase "in one embodiment" appearing in different places in this specification does not necessarily refer to the same embodiment, nor is it a single embodiment or an embodiment selectively excluded from other embodiments.

[0028] Secondly, this utility model is described in detail with reference to the schematic diagrams. When describing the embodiments of this utility model, for ease of explanation, the cross-sectional views illustrating the device structure may be partially enlarged, not adhering to the usual scale. Furthermore, the schematic diagrams are merely examples and should not limit the scope of protection of this utility model. In addition, actual manufacturing should include the three-dimensional spatial dimensions of length, width, and depth.

[0029] Example 1

[0030] Reference Figures 1-3 The first embodiment of this utility model provides a gas booster pump drive device with a heat sink structure, which can quickly dissipate heat inside the piston cylinder and reduce the heat on the cylinder surface by using heat sinks to ensure stable operation of the gas booster pump. It includes: a booster drive unit 100 and a heat dissipation unit 200.

[0031] A booster drive unit 100 is installed inside the gas booster pump. The booster drive unit 100 includes a main piston cylinder 101 and a secondary piston cylinder 102 that are fixedly connected in sequence. Two gas pipes 103 are fixedly connected to the outer wall of the secondary piston cylinder 102. Gas one-way valves 104 are sleeved on the pipe walls of the two gas pipes 103. A linear reciprocating motor 105 is fixedly installed on the top of the main piston cylinder 101. The output end of the linear reciprocating motor 105 is sealed and slides through the main piston cylinder 101 and is fixedly connected to a booster piston assembly 106.

[0032] The heat dissipation unit 200 includes a circular cover 201 fixedly sleeved on the main piston cylinder 101. The bottom of the circular cover 201 is open. The circular cover 201 is connected to the top of the main piston cylinder 101 through a one-way intake assembly 202. The top of the main piston cylinder 101 is connected to a one-way exhaust assembly 203. Multiple heat dissipation fins 204 are fixedly connected to the outer wall of the main piston cylinder 101.

[0033] The booster drive unit 100 is externally placed outside the gas booster pump housing and is precisely regulated by an external controller. During the boosting process, the gas flows through a gas pipe 103. Under the one-way conduction of the gas check valve 104, it orderly flows into the secondary piston cylinder 102 and the main piston cylinder 101. The linear reciprocating motor 105 drives the booster piston assembly 106 to perform reciprocating linear motion within the two cylinders. The compressed gas is then discharged through another gas pipe 103, completing the intake, compression, and discharge of the gas, achieving stable boosting. When the main piston cylinder 101 is operating, the one-way air intake component 202 utilizes the pressure change within the cylinder to guide the outside cold air to enter the interior through the heat dissipation holes of the gas booster pump housing and flow into the main piston cylinder 101 unidirectionally through the circular cover 201, replacing the heated air within the main piston cylinder 101. At the same time, the one-way exhaust component 203 timely discharges the hot air within the main piston cylinder 101, forming an efficient convection cycle and quickly removing the heat inside the main piston cylinder 101;

[0034] In addition, the heat sink 204 made of copper or aluminum absorbs the heat on the surface of the main piston cylinder 101 through heat conduction. When the one-way air intake component 202 is opened, the outside cold air flows in at a high speed through the open end at the bottom of the circular cover 201. This cold air first blows towards the heat sink 204 to dissipate its heat. In the initial stage, the heat sink 204 experiences a brief temperature increase due to absorbing a large amount of heat, which may cause a small amount of heat to be transferred back to the cylinder block. However, with the cyclic operation of the one-way air intake component 202 and the one-way exhaust component 203, the cold air can continuously wash the heat sink 204 and take away the heat. After part of the heat on the heat sink 204 is inhaled into the cylinder body, this part of the heat is quickly discharged through the one-way exhaust component 203. By circulating the heat outside the main piston cylinder 101 to the cylinder body through the heat sink 204 and concentrating it to be quickly discharged through the one-way exhaust component 203, the heat sink 204 within the circular cover 201 will not generate accumulated heat, and the inside and outside of the cylinder body are cooled simultaneously through air circulation. While ensuring that the hot air does not diffuse within the gas booster pump housing, the surface temperature of the main piston cylinder 101 is stably maintained at an effective working temperature.

[0035] Embodiment 2

[0036] Refer to Figure 3 , which is the second embodiment of the present utility model. Different from the previous embodiment, the booster piston assembly 106 consists of two piston discs 106a with different diameters and a connecting rod 106b. The two piston discs 106a are respectively fixed at both ends of the connecting rod 106b. The larger-sized piston disc 106a is located within the main piston cylinder 101 and is fixed to the output end of the linear reciprocating motor 105. Piston seals 106c are provided at the top edges of the two piston discs 106a.

[0037] The inner diameter of the main piston cylinder 101 is larger than that of the auxiliary piston cylinder 102. Two piston discs 106a of different diameters slide in the main piston cylinder 101 and the auxiliary piston cylinder 102 respectively. Pressure amplification is achieved through Pascal's law. The low-pressure gas pressure applied to the large piston disc 106a by the linear reciprocating motor 105 is transmitted to the small piston disc 106a through the connecting rod 106b and converted into high pressure to meet the gas pressurization requirements. Piston sealing rings 106c are provided on the top edges of both piston discs 106a to improve the sealing performance of the piston discs 106a during piston reciprocating motion.

[0038] Example 3

[0039] Reference Figures 1-3 This is the third embodiment of the present invention. Unlike the previous embodiment, the one-way air intake assembly 202 includes multiple air intake pipes 202a. The two ends of each air intake pipe 202a are respectively fixedly connected to the top of the main piston cylinder 101 and the circular cover 201. Each air intake pipe 202a is fitted with a one-way air intake valve 202b on its wall to realize one-way air intake of cold air.

[0040] When the booster piston assembly 106 compresses downward, a negative pressure is formed inside the main piston cylinder 101, causing the intake pipe 202a to draw outside air into the main piston cylinder 101. The one-way intake valve 202b, which is sleeved on the wall of the intake pipe 202a, adopts a check valve structure, allowing gas to flow only from the circular cover 201 into the main piston cylinder 101. The one-way intake of cold air is achieved through multiple intake pipes 202a, so as to provide cooling airflow inside the main piston cylinder 101.

[0041] In addition, the one-way exhaust assembly 203 includes an exhaust pipe 203a fixedly connected to the top of the main piston cylinder 101, and a one-way exhaust valve 203b is fitted on the exhaust pipe 203a for discharging hot air from the cylinder in one direction.

[0042] When the booster piston assembly 106 moves upward, the air inside the main piston cylinder 101 is compressed by the booster piston assembly 106, causing the hot air inside the main piston cylinder 101 to push the one-way exhaust valve 203b to open and be discharged one-way along the exhaust pipe 203a. Through the coordinated work of the one-way intake assembly 202 and the one-way exhaust assembly 203, the cycle of cold air intake and hot air exhaust is realized, thereby continuously removing the heat inside the main piston cylinder 101 and maintaining the cylinder temperature stability.

[0043] Example 4

[0044] Reference Figures 1-3 This is the fourth embodiment of the present invention. Unlike the previous embodiment, a temperature sensor 205 is fixedly connected to the exhaust pipe 203a, and the sensing head of the temperature sensor 205 extends into the exhaust pipe 203a.

[0045] Temperature sensor 205 is a general standard part or a component known to those skilled in the art. It senses the temperature of the exhaust hot air in real time through the sensing head and can feed back the monitored temperature information to the control system to trigger an alarm mechanism when the temperature exceeds the threshold, so as to ensure the safe operation of the equipment.

[0046] Each intake pipe 202a and exhaust pipe 203a is fitted with sound-absorbing cotton 206, and the sound-absorbing cotton 206 on the exhaust pipe 203a has a notch that fits the temperature sensor 205.

[0047] The porous fiber structure of the sound-absorbing cotton 206 can effectively absorb and attenuate the noise generated by the gas flow in the intake pipe 202a and the exhaust pipe 203a. The sensing head of the temperature sensor 205 passes through the gap in the sound-absorbing cotton 206, ensuring the complete coverage of the noise reduction material without affecting the temperature monitoring function.

[0048] In addition, a filter plate 207 is fixedly connected to the bottom of the inner cavity of the circular cover 201, and the filter plate 207 is sleeved on the outer wall of the main piston cylinder 101.

[0049] The filter plate 207 adopts a filter screen or a porous structure, which can intercept dust, particles and debris in the outside air and prevent them from entering the main piston cylinder 101 through the intake pipe 202a or adhering to the surface of the heat sink 204.

[0050] It should be noted that multiple heat sinks 204 are distributed in a ring at equal intervals on the outer wall of the main piston cylinder 101, and the shape of the heat sinks 204 is wavy and curved.

[0051] The equidistant distribution ensures that heat is evenly conducted and dissipated between the heat sinks 204, avoiding local overheating. The wave-shaped design of the heat sinks 204 increases the contact area between the heat sinks 204 and the air, thereby improving the heat dissipation effect of the cold air on the heat sinks 204.

[0052] During operation, when the gas booster pump needs to increase pressure, gas flows through a gas pipe 103 into the auxiliary piston cylinder 102 and the main piston cylinder 101. Then, the external controller starts the linear reciprocating motor 105, which drives the booster piston assembly 106 to perform reciprocating linear motion within the two cylinders. The compressed gas is then discharged through another gas pipe 103, completing the intake, compression, and discharge of gas to achieve stable boosting. When the booster piston assembly 106 compresses downwards, a negative pressure is formed in the main piston cylinder 101, causing the intake of gas... Pipe 202a guides outside cold air into the main piston cylinder 101 through the circular cover 201 in a one-way direction to replace the heated air in the main piston cylinder 101. The filter plate 207 can intercept the inhaled dust, particles and debris. When the booster piston assembly 106 moves upward, the air inside the main piston cylinder 101 is compressed by the booster piston assembly 106, which pushes the one-way exhaust valve 203b to open and quickly discharge the heat inside the main piston cylinder 101 through the exhaust pipe 203a.

[0053] The heat sink 204 absorbs heat from the surface of the main piston cylinder 101. When the one-way intake assembly 202 draws in air, cold air is drawn into the circular cover 201 and continuously washes the heat sink 204, carrying away heat. This allows the heat outside the main piston cylinder 101 to be circulated into the cylinder through the heat sink 204 and then quickly discharged through the one-way exhaust assembly 203. This prevents heat accumulation on the heat sink 204 inside the circular cover 201. The temperature sensor 205 can feed back the monitored temperature information to the control system and trigger an alarm mechanism when the temperature exceeds the threshold, ensuring the safe operation of the equipment.

[0054] It should be noted that the above embodiments are only used to illustrate the technical solution of this utility model and are not intended to limit it. Although this utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solution of this utility model without departing from the spirit and scope of the technical solution of this utility model, and all such modifications or substitutions should be covered within the scope of the claims of this utility model.

Claims

1. A gas booster pump drive device with a heat sink structure, characterized in that, include: A booster drive unit (100) is installed inside the gas booster pump. The booster drive unit (100) includes a main piston cylinder (101) and a secondary piston cylinder (102) that are fixedly connected in sequence. The outer wall of the secondary piston cylinder (102) is fixedly connected to two gas pipes (103). The walls of the two gas pipes (103) are fitted with gas one-way valves (104). A linear reciprocating motor (105) is fixedly installed on the top of the main piston cylinder (101). The output end of the linear reciprocating motor (105) is sealed and slides through the main piston cylinder (101) and is fixedly connected to a booster piston assembly (106). The heat dissipation unit (200) includes a circular cover (201) fixedly sleeved on the main piston cylinder (101). The bottom of the circular cover (201) is open. The circular cover (201) is connected to the top of the main piston cylinder (101) through a one-way intake assembly (202). The top of the main piston cylinder (101) is connected to a one-way exhaust assembly (203). Multiple heat dissipation fins (204) are fixedly connected to the outer wall of the main piston cylinder (101).

2. The gas booster pump drive device with heat sink structure according to claim 1, characterized in that: The booster piston assembly (106) consists of two piston discs (106a) of different diameters and a connecting rod (106b). The two piston discs (106a) are respectively fixed at both ends of the connecting rod (106b). The larger piston disc (106a) is located inside the main piston cylinder (101) and fixed to the output end of the linear reciprocating motor (105). Piston sealing rings (106c) are provided at the top edges of both piston discs (106a).

3. The gas booster pump drive device with heat sink structure according to claim 2, characterized in that: The one-way air intake assembly (202) includes multiple air intake pipes (202a). The two ends of each air intake pipe (202a) are fixedly connected to the top of the main piston cylinder (101) and the circular cover (201). Each air intake pipe (202a) is fitted with a one-way air intake valve (202b) to realize the one-way intake of cold air.

4. The gas booster pump drive device with heat sink structure according to claim 3, characterized in that: The one-way exhaust assembly (203) includes an exhaust pipe (203a) fixedly connected to the top of the main piston cylinder (101), and a one-way exhaust valve (203b) is fitted on the exhaust pipe (203a) for discharging hot air from the cylinder in one direction.

5. The gas booster pump drive device with heat sink structure according to claim 4, characterized in that: A temperature sensor (205) is fixedly connected to the exhaust pipe (203a), and the sensing head of the temperature sensor (205) extends into the exhaust pipe (203a).

6. The gas booster pump drive device with heat sink structure according to claim 5, characterized in that: Each of the intake pipes (202a) and exhaust pipes (203a) is fitted with sound-absorbing cotton (206), and the sound-absorbing cotton (206) on the exhaust pipe (203a) has a notch that fits the temperature sensor (205).

7. The gas booster pump drive device with heat sink structure according to claim 4, characterized in that: A filter plate (207) is fixedly connected to the bottom of the inner cavity of the circular cover (201), and the filter plate (207) is sleeved on the outer wall of the main piston cylinder (101).

8. The gas booster pump drive device with heat sink structure according to claim 1, characterized in that: Multiple heat sinks (204) are distributed in a ring at equal intervals on the outer wall of the main piston cylinder (101), and the shape of the heat sinks (204) is wavy.

Images