CN214836952U - High-pressure-resistant large-flow small-sized gas booster pump - Google Patents
High-pressure-resistant large-flow small-sized gas booster pump Download PDFInfo
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- CN214836952U CN214836952U CN202022886041.9U CN202022886041U CN214836952U CN 214836952 U CN214836952 U CN 214836952U CN 202022886041 U CN202022886041 U CN 202022886041U CN 214836952 U CN214836952 U CN 214836952U
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Abstract
The utility model discloses a high pressure resistant large-traffic small-size gas booster pump includes electrical system and circulating pump cavity, and electrical system links together through adapting unit with the circulating pump cavity, and the circulating pump cavity includes the casing, is provided with the plunger pump in the casing, sets up cavity gas inlet and cavity gas outlet on the casing, and the casing is stretched out in the gas outlet of plunger pump, cavity gas outlet and the gas inlet of plunger pump are connected to the input gas pressure that makes the plunger pump equals with the inside atmospheric pressure of casing. The utility model discloses a high pressure resistant large-traffic small-size gas booster pump has characteristics small, light in weight and that power consumption is low. The utility model discloses a high pressure resistant large-traffic small-size gas booster pump has extensive application prospect in fields such as chemical industry, aerospace, fire control.
Description
Technical Field
The utility model belongs to the mechanical transmission field mainly relates to a high pressure resistant large-traffic small-size gas booster pump.
Technical Field
The gas booster pump is used as a relay device for improving gas pressure and keeping gas circulation, and has wide application prospects in the fields of chemical engineering, aerospace, fire fighting and the like. The working principle of the gas circulation pump is as follows: under the drive of the motor, the mechanical eccentric device in the circulating pump drives the cavity in the pump to do reciprocating motion, so that the gas in the pump cavity with fixed volume is compressed and stretched to form vacuum (negative pressure), pressure difference is generated between a pumping gas inlet and inlet gas, the gas is sucked into the pump cavity under the action of the pressure difference, the compressed low-pressure inlet gas is changed into high-pressure gas to be discharged from a gas outlet, and the gas is circulated continuously to form stable gas pressure boosting.
The current gas booster pumps have mainly the following disadvantages: 1. the high pressure resistance is poor, the gas circulating pump is often applied to various high pressure occasions, the high pressure gas inside the gas circulating pump and the normal pressure outside the gas circulating pump form a huge pressure difference, the huge pressure difference puts strict requirements on the high pressure resistance and the sealing performance of each part inside the circulating pump, the pressure resistance of the current circulating pump is still to be improved due to the influences of materials, assembly processes, sealing modes and the like. 2. The driving flow rate is small, and when the gas pressure in the circulation pump is high, the leakage of the device itself is large, and the flow rate in which the device can be driven is generally small due to the influence of the air-tightness, the input power, and the like. 3. The volume is bulky and heavy, and in order to output high-pressure gas, each part of the gas circulating pump such as a pipeline, a rotator, a gas compression piston and a pipe joint needs to be designed to resist high pressure, so that the parts are more in material and bulky in volume and weight. 4. The circulating pump has the advantages that the consumed power is large, the internal and external pressure difference of the circulating pump rotating body is large, each part is heavy, and the input power required by a motor, a gas compressor and the like for driving each part to work is large, so that the power consumed by the whole circulating pump is large.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a high pressure resistant large-traffic small-size gas booster pump.
The utility model discloses a large-traffic small-size gas booster pump of high pressure resistant, including electric system and circulating pump cavity, electric system links together through adapting unit with the circulating pump cavity, the circulating pump cavity includes the casing, be provided with the plunger pump in the casing, set up cavity gas inlet and cavity gas outlet on the casing, the casing is stretched out in the gas outlet of plunger pump, cavity gas outlet and the gas inlet connection of plunger pump to make the input gas pressure of plunger pump equal with the inside atmospheric pressure of casing.
The utility model discloses a high pressure resistant large-traffic small-size gas booster pump, wherein, plunger pump gas outlet sets up pressure sensor respectively with plunger pump gas inlet.
The utility model discloses a high pressure resistant large-traffic small-size gas booster pump, wherein, the electric system includes switch, converter, electric wire, connector, the motor that connects gradually; the connecting part comprises a coupler; the circulating pump cavity body further comprises a circulating pump shaft, a crankshaft connecting rod, a one-way valve, a gas outlet guide pipe, a crankshaft cavity, a gas inlet guide pipe and a dynamic sealing structure, one end of the circulating pump shaft is connected with the motor through a coupler, the other end of the circulating pump shaft is connected with the crankshaft connecting rod, the crankshaft cavity is arranged in the shell, the crankshaft connecting rod is arranged in the crankshaft cavity, the two plunger pumps are connected together with pistons of the two plunger pumps respectively, a gas inlet of each plunger pump is connected with gas inlets of the two plunger pumps through the gas inlet guide pipe, and a gas outlet of each plunger pump is connected with gas outlets of the two plunger pumps through the gas outlet guide pipe.
The utility model discloses a high pressure resistant large-traffic small-size gas booster pump, wherein, adapting unit still includes: the motor support and the circulating pump cavity fixing piece are arranged on the bottom plate and used for supporting the motor, and the circulating pump cavity fixing piece is used for supporting the shell.
The utility model discloses a high pressure resistant large-traffic small-size gas booster pump, wherein, the motor is AC motor, comes the rotational speed of accommodate motor through the converter, and the bent axle connecting rod passes the casing, links to each other with the circulating pump axle through moving seal structure, utilizes the rotation of the rotatory drive bent axle connecting rod of circulating pump axle, moves seal structure and circulating pump axle and adopts the packing sealing mode to be connected, moves and also adopts the packing sealing mode to be connected between seal structure and the casing.
The utility model discloses a high pressure resistant large-traffic small-size gas booster pump, wherein, two plunger pumps are laid inside the casing along bent axle connecting rod axial alignment, and contact bottom the casing.
The utility model discloses a high pressure resistant large-traffic small-size gas booster pump, wherein, the plunger pump is the plunger pump of fixed displacement volume, and its export compressed gas's flow is directly proportional with the rotational speed of plunger pump.
The utility model discloses a high pressure resistant large-traffic small-size gas booster pump, wherein, go into and install a check valve on the pipe of giving vent to anger respectively with the pipe of giving vent to anger to keep the unidirectional nature that the plunger pump admits air and give vent to anger.
The utility model discloses a high pressure resistant large-traffic small-size gas booster pump, wherein, the surface design of casing is the fin form to the fin that the heat that makes the plunger pump produce in the course of the work dissipates to the atmosphere on every side through the casing.
The utility model discloses a high pressure resistant large-traffic small-size gas booster pump, the core spare part plunger pump that will be used for wherein gaseous boosting is installed in the cavity that an inside atmospheric pressure and plunger pump input gas pressure equal to reduce the inside and outside pressure differential of plunger pump, reduced the plunger pump pressure resistance requirement, reduce gas leakage, increased its flow control ability, thereby realize the promotion of the whole pressure resistance of gas circulating pump and flow output ability. In addition, owing to reduced the inside and outside pressure differential of core component plunger pump by a wide margin, under the gaseous prerequisite of same pressure of drive and flow, the material still less, withstand voltage lower and the less plunger pump of input power will be adopted to reduce the volume, weight and the input power of plunger pump, consequently, compare traditional gas circulation pump, the utility model discloses a high pressure resistant large-traffic small-size gas booster pump has characteristics small, light in weight and that power consumption is low. The utility model discloses a high pressure resistant large-traffic small-size gas booster pump has extensive application prospect in fields such as chemical industry, aerospace, fire control.
Drawings
Fig. 1 is a plan view of a schematic structural view of a high-pressure-resistant large-flow miniaturized gas booster pump of the present invention;
fig. 2 is a front view of the structure schematic diagram of the high pressure resistant large flow rate miniature gas booster pump of the present invention;
fig. 3 is a schematic view of the internal gas flow of the high pressure resistant large flow rate small gas booster pump of the present invention;
FIG. 4 is a top view of a schematic of the housing;
FIG. 5 is a front view of a schematic structural view of the housing;
fig. 6 is a schematic structural view of the fins outside the housing.
In the figure:
1 electrical system 2 circulating pump cavity 3 connecting part
101 switch 102 frequency converter 103 wire 104 connector 105 motor
201-cycle pump shaft 202 crankshaft connecting rod 203 housing 204 cavity gas inlet 205 plunger pump gas outlet 206 pressure sensor 207 one-way valve 208 outlet conduit 209 crankshaft cavity 210 plunger pump 211 cavity gas outlet 212 plunger pump gas inlet 213 inlet conduit 214 dynamic seal structure 2031 cover plate 2032 screw 2033 bottom cavity 2034 fin
301 motor support 302 shaft coupling 303 bottom plate 304 circulating pump cavity fixing piece
Detailed Description
As shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6, the utility model discloses a high pressure resistant large-traffic small-size gas booster pump, including electrical system 1 and circulating pump cavity 2, electrical system 1 links together through adapting unit 3 with circulating pump cavity 2, circulating pump cavity 2 includes casing 203, be provided with plunger pump 210 in the casing, set up cavity gas inlet 204 and cavity gas outlet 211 on the casing 203, plunger pump gas outlet 205 stretches out the casing, and cavity gas outlet 211 is connected with plunger pump gas inlet 212 to the input gas pressure that makes the plunger pump equals with the inside atmospheric pressure of casing.
The utility model discloses a high pressure resistant large-traffic small-size gas booster pump, wherein, plunger pump gas outlet 205 sets up pressure sensor 206 respectively with plunger pump gas inlet 212.
The utility model discloses a high pressure resistant large-traffic small-size gas booster pump, wherein, electric system 1 includes switch 101, converter 102, electric wire 103, connector 104, motor 105 that connect gradually; the connecting part 3 comprises a coupling 302; the circulating pump cavity 2 further comprises a circulating pump shaft 201, a crankshaft connecting rod 202, a one-way valve 207, an air outlet guide pipe 208, a crankshaft cavity 209, an air inlet guide pipe 213 and a dynamic sealing structure 214, one end of the circulating pump shaft 201 is connected with the motor 105 through a coupler 302, the other end of the circulating pump shaft 201 is connected with the crankshaft connecting rod 202, the crankshaft cavity 209 is arranged in the shell, the crankshaft connecting rod 202 is arranged in the crankshaft cavity 209, the number of the plunger pumps 210 is two, the crankshaft connecting rod 202 is respectively connected with pistons of the two plunger pumps 210, a plunger pump air inlet 212 is connected with air inlets of the two plunger pumps 210 through the air inlet guide pipe 213, and a plunger pump air outlet 205 is connected with air outlets of the two plunger pumps 210 through the air outlet guide pipe 208.
The utility model discloses a high pressure resistant large-traffic small-size gas booster pump, wherein, adapting unit 3 still includes: the motor comprises a motor support 301, a bottom plate 303 and a circulating pump cavity fixing piece 304, wherein the motor support 301 and the circulating pump cavity fixing piece 304 are both arranged on the bottom plate 303, the motor support 301 is used for supporting the motor 105, and the circulating pump cavity fixing piece 304 is used for supporting the shell.
The utility model discloses a large-traffic small-size gas booster pump of high pressure resistant, wherein, motor 105 is alternating current motor, comes the rotational speed of accommodate motor through converter 102, and bent axle connecting rod 202 passes casing 203, links to each other with circulation pump shaft 201 through moving seal structure 214, utilizes the rotation of circulation pump shaft 201 to drive bent axle connecting rod 202's rotation, moves seal structure 214 and adopts the packing seal mode with circulation pump shaft 201 and is connected, moves and also adopts the packing seal mode to be connected between seal structure 214 and the casing 203.
The utility model discloses a large-traffic small-size gas booster pump of high pressure resistant, wherein, two plunger pumps 210 are arranged inside casing 203 along crankshaft connecting rod 202 axial, and contact bottom casing 203.
The utility model discloses a high pressure resistant large-traffic small-size gas booster pump, wherein, the plunger pump is the plunger pump of fixed displacement volume, and its export compressed gas's flow is directly proportional with the rotational speed of plunger pump.
The utility model discloses a high pressure resistant large-traffic small-size gas booster pump, wherein, install a check valve 207 on income gas conduit 213 and the pipe 208 of giving vent to anger respectively to keep plunger pump 210 to admit air and the unidirectional nature of giving vent to anger.
The utility model discloses a high pressure resistant large-traffic small-size gas booster pump, wherein, the surface design of casing 203 is the fin form to the fin 2034 that makes plunger pump 210 produce in the course of the work dissipates to the atmosphere on every side through casing 203 in.
The technical scheme of the utility model to current gas circulating pump resistance to pressure poor, the flow is little, shortcoming such as bulky and power consumption is big, the improvement has arched a small-size gas booster pump with high pressure resistant large-traffic ability, this gas booster pump's key feature is that the core spare part plunger pump that wherein is used for gaseous boost is installed in the cavity that an inside atmospheric pressure and plunger pump input gas pressure equal, with reduce the inside and outside pressure differential of plunger pump, the plunger pump pressure resistance requirement has been reduced, reduce gas leakage, its flow control ability has been increased, thereby realize whole pressure resistance and flow output ability's promotion. In addition, owing to reduced the inside and outside pressure differential of core component plunger pump by a wide margin, under the gaseous prerequisite of same pressure of drive and flow, the material still less, withstand voltage lower and the less plunger pump of input power will be adopted to reduce the volume, weight and the input power of plunger pump, consequently, compare traditional gas circulation pump, the utility model discloses a high pressure resistant large-traffic small-size gas booster pump has characteristics small, light in weight and that power consumption is low. The utility model discloses a high pressure resistant large-traffic small-size gas booster pump has extensive application prospect in fields such as chemical industry, aerospace, fire control.
The two plunger pumps 210 are arranged in the housing 203 in an axial direction of the crankshaft connecting rod 202 in an aligned mode and are in good contact with the bottom of the housing 203, the two plunger pumps 210 are driven by the crankshaft connecting rod 202, the crankshaft connecting rod 202 is installed in the crankshaft cavity 209, the crankshaft cavity 209 is connected with the two plunger pumps 210 on one hand to fix the positions of the two plunger pumps 210, so that the plunger pumps 210 are guaranteed to be in good contact and not to be displaced in the process that the crankshaft connecting rod 202 drives the plunger pumps 210, and on the other hand, the plunger pumps 210, the crankshaft cavity 209, the crankshaft connecting rod 202 and the housing 203 are fixed to each other.
The selected plunger pump has fixed displacement and the flow rate of the compressed gas at the outlet is in direct proportion to the rotating speed of the plunger pump.
The crankshaft connecting rod 202 is composed of a crankshaft and two connecting rods, and the two connecting rods are respectively connected with the pistons of the two plunger pumps 210 and used for driving the pistons to reciprocate to suck and compress gas.
The plunger pump gas inlet 212 and the plunger pump gas outlet 205 on the housing 203 are respectively connected with the gas inlet pipe 213 and the gas outlet conduit 208 inside the housing 203 for gas inlet and outlet of the two plunger pumps 210. The inlets of the two plunger pumps 210 are connected to the same air inlet conduit 213, the outlets of the two plunger pumps are connected to the same air outlet conduit 208, and a one-way valve 207 is arranged on each of the air inlet conduit 213 and the air outlet conduit 208 to keep the unidirectional air inlet and air outlet of the plunger pumps 210.
The cavity gas outlet 211 is connected with the plunger pump gas inlet 212, so that the gas pressure inside the shell 203 is equal to the gas pressure of the plunger pump gas inlet 212, the gas pressure difference inside and outside the plunger pump 210 is reduced, the pressure resistance of the plunger pump 210 is reduced, the leakage rate of the plunger pump 210 is reduced, and the flow rate of the plunger pump 210 is improved.
The outer surface of the housing 203 is designed in the form of fins, so that heat generated by the plunger pump 210 during operation can be conducted to the housing 203 and finally dissipated to the surrounding atmosphere through the fins on the outer surface of the housing 203, provided that the plunger pump 210 is in good contact with the housing 203.
A pressure sensor 206 is installed at the plunger pump gas outlet 205 and the plunger pump gas inlet 212, respectively, for detecting the gas pressure at the inlet and outlet of the plunger pump 210.
Two motor brackets 301 are used to fix the motor 105 on the bottom plate 303, and four circulating pump cavity fixing pieces 304 are used to fix the shell 203 on the bottom plate 303 around the shell 203, so that the relative movement between the motor 105 and the shell 203 in the working process is avoided. The rotating shaft of the motor 105 is concentrically connected with the circulating pump shaft 201 by using a coupling 302, so that the motor 105 drives the circulating pump shaft 201 to rotate.
The selected coupler can acquire the current rotating speed and torque signals of the motor 105 and display the signals through an upper computer.
Two plunger pumps 210 are arranged in the housing 203 in an axial direction of the crankshaft connecting rod 202 in an opposite row and are in good contact with the bottom of the housing 203, the two plunger pumps 210 are driven by the crankshaft connecting rod 202, the crankshaft connecting rod 202 is arranged in a crankshaft cavity 209, and the crankshaft cavity 209 is connected with the two plunger pumps 210 on one hand to fix the positions of the two plunger pumps 210, so that the plunger pumps 210 are guaranteed to be in good contact and not to be displaced in the process of driving the plunger pumps 210 by the crankshaft connecting rod 202, and is fixed with the housing 203 on the other hand, and the purpose of mutually fixing the plunger pumps 210, the crankshaft cavity 209, the crankshaft connecting rod 202 and the housing 203 is achieved.
The selected plunger pump has fixed displacement and the flow rate of the compressed gas at the outlet is in direct proportion to the rotating speed of the plunger pump.
The crankshaft connecting rod 202 is composed of a crankshaft and two connecting rods, and the two connecting rods are respectively connected with the pistons of the two plunger pumps 210 and used for driving the pistons to reciprocate to suck and compress gas.
The plunger pump gas inlet 212 and the plunger pump gas outlet 205 on the housing 203 are respectively connected with the gas inlet pipe 213 and the gas outlet conduit 208 inside the housing 203 for gas inlet and outlet of the two plunger pumps 210. The inlets of the two plunger pumps 210 are connected to the same air inlet conduit 213, the outlets of the two plunger pumps are connected to the same air outlet conduit 208, and a one-way valve 207 is arranged on each of the air inlet conduit 213 and the air outlet conduit 208 to keep the unidirectional air inlet and air outlet of the plunger pumps 210.
The cavity gas outlet 211 is connected with the plunger pump gas inlet 212, so that the gas pressure inside the shell 203 is equal to the gas pressure of the plunger pump gas inlet 212, the gas pressure difference inside and outside the plunger pump 210 is reduced, the pressure resistance of the plunger pump 210 is reduced, the leakage rate of the plunger pump 210 is reduced, and the flow rate of the plunger pump 210 is improved.
The outer surface of the housing 203 is designed in the form of fins, so that heat generated by the plunger pump 210 during operation can be conducted to the housing 203 and finally dissipated to the surrounding atmosphere through the fins 2034 on the outer surface of the housing 203, provided that the plunger pump 210 is in good contact with the housing 203.
A pressure sensor 206 is respectively arranged at the plunger pump gas outlet 205 and the plunger pump gas inlet 212 for detecting the gas pressure at the inlet and the outlet of the plunger pump 210.
Two motor brackets 301 are used to fix the motor 105 on the bottom plate 303, and four circulating pump cavity fixing pieces 304 are used to fix the shell 203 on the bottom plate 303 around the shell 203, so that the relative movement between the motor 105 and the shell 203 in the working process is avoided. The rotating shaft of the motor 105 is concentrically connected with the circulating pump shaft 201 by using a coupling 302, so that the motor 105 drives the circulating pump shaft 201 to rotate.
The selected coupler can acquire the current rotating speed and torque signals of the motor 105 and display the signals through an upper computer.
The utility model discloses a high pressure resistant large-traffic small-size gas booster pump's advantage as follows:
1) the plunger pump is a core component for realizing compressed air boosting of the gas booster pump, and compared with the conventional gas booster pump in which the plunger pump is at normal pressure and bears large internal and external pressure difference, the utility model places the plunger pump inside a closed shell, and the shell is filled with gas with the pressure equal to the pressure at the inlet of the plunger pump, thereby reducing the internal and external pressure difference of the plunger pump and improving the pressure resistance of the gas booster pump;
2) because the pressure difference between the inside and the outside of the plunger pump which is a core component is greatly reduced, the leaked gas flow is less, therefore, the high-pressure-resistant large-flow miniature gas booster pump of the utility model can drive larger gas flow more adequately;
3) because reduced the inside and outside pressure differential of core part plunger pump by a wide margin, under the gaseous condition of the same pressure of drive and flow, the material still less, withstand voltage lower and the less plunger pump of input power will be adopted, consequently, compare traditional gas circulation pump, the utility model discloses a high pressure resistant large-traffic small-size gas booster pump has characteristics small, light in weight and that power consumption is low.
The motor 105 is an alternating current motor, the rotating speed of the motor is adjusted through the frequency converter 102, 380V three-phase alternating current is used for power supply, the switch 101 is a three-phase switch, the power of the three-phase switch is larger than the maximum power of the motor 105, the electric wire 103 is a three-phase cable, and the diameter of the cable is selected according to the maximum current flowing in the cable.
In order to realize the sealing inside the housing 203, the dynamic sealing structure 214 is connected with the cycle pump shaft 201 in a sealing manner by adopting a plurality of groups of tetrafluoro wads, and the dynamic sealing structure 214 is also connected with the housing 203 in a sealing manner by adopting a plurality of groups of tetrafluoro wads.
The two plunger pumps 210 are arranged in the housing 203 in an axial direction of the crankshaft connecting rod 202 in an aligned mode and are in good contact with the bottom of the housing 203, the two plunger pumps 210 are driven by the crankshaft connecting rod 202, the crankshaft connecting rod 202 is installed in the crankshaft cavity 209, the crankshaft cavity 209 is connected with the two plunger pumps 210 on one hand to fix the positions of the two plunger pumps 210, so that the plunger pumps 210 are guaranteed to be in good contact and not to be displaced in the process that the crankshaft connecting rod 202 drives the plunger pumps 210, and on the other hand, the plunger pumps 210, the crankshaft cavity 209, the crankshaft connecting rod 202 and the housing 203 are fixed to each other. The crankshaft cavity 209 is fixed with the plunger pump 210 and the housing 203 by screws.
The plunger pump 210 is a fixed displacement plunger pump, and the flow rate of the compressed gas at the outlet is proportional to the rotation speed of the plunger pump. The displacement of the plunger pump is selected according to the maximum amount of gas flow it drives and the maximum rotational speed of the gas.
The crankshaft connecting rod 202 is composed of a crankshaft and two connecting rods, and the two connecting rods are respectively connected with the pistons of the two plunger pumps 210 and used for driving the pistons to reciprocate to suck and compress gas. The crankshaft connecting rod needs to be matched with the piston in the plunger pump.
The plunger pump gas inlet 212 and the plunger pump gas outlet 205 on the housing 203 are respectively connected with the gas inlet pipe 213 and the gas outlet conduit 208 inside the housing 203 for gas inlet and outlet of the two plunger pumps 210. The inlets of the two plunger pumps 210 are connected to the same air inlet conduit 213, the outlets of the two plunger pumps are connected to the same air outlet conduit 208, and a one-way valve 207 is arranged on each of the air inlet conduit 213 and the air outlet conduit 208 to keep the unidirectional air inlet and air outlet of the plunger pumps 210.
The cavity gas outlet 211 is connected with the plunger pump gas inlet 212, so that the gas pressure inside the shell 203 is equal to the gas pressure of the plunger pump gas inlet 212, the gas pressure difference inside and outside the plunger pump 210 is reduced, the pressure resistance of the plunger pump 210 is reduced, the leakage rate of the plunger pump 210 is reduced, and the flow rate of the plunger pump 210 is improved.
The casing comprises apron 2031, screw 2032 and bottom cavity 2033, has the round through-hole around apron 2031, and there is corresponding blind hole bottom cavity 2033 top, and the apron lid is in bottom cavity 2033 top, uses screw 2032 to insert the through-hole of apron 2031 and screws it into the blind hole that bottom cavity 2033 upper portion corresponds, realizes the sealed of casing 203. The thickness d of the cover plate 2031 and the bottom cavity 2033 should meet the pressure requirements of the housing
The outer surface of the housing 203 is designed in the form of fins, so that heat generated by the plunger pump 210 during operation can be conducted to the housing 203 and finally dissipated to the surrounding atmosphere through the fins on the outer surface of the housing 203, provided that the plunger pump 210 is in good contact with the housing 203. The housing 203 is made of aluminum alloy to facilitate heat dissipation.
A pressure sensor 206 is installed at the plunger pump gas outlet 205 and the plunger pump gas inlet 212, respectively, for detecting the gas pressure at the inlet and outlet of the plunger pump 210. The pressure sensing range of the pressure sensor 206 needs to be matched with the operating pressure of the circulation pump.
Two motor brackets 301 are used to fix the motor 105 on the bottom plate 303, and four circulating pump cavity fixing pieces 304 are used to fix the shell 203 on the bottom plate 303 around the shell 203, so that the relative movement between the motor 105 and the shell 203 in the working process is avoided. The rotating shaft of the motor 105 is concentrically connected with the circulating pump shaft 201 by using a coupling 302, so that the motor 105 drives the circulating pump shaft 201 to rotate. The selection of coupling 302 needs to match the diameter of the rotating shaft of motor 105 and circulating pump shaft 201.
The utility model discloses a high pressure resistant large-traffic miniaturized gas booster pump working method as follows:
1. introducing gas into the shell from the cavity gas inlet 204, and gradually increasing the pressure to working pressure;
2. closing the switch 101, starting the frequency converter 102, using a smaller frequency to gradually rotate the motor 105, and paying attention to the rotation direction of the motor 105, the motor 105 cannot be driven to rotate reversely when driving the plunger pump 210, and if the motor 105 is found to rotate reversely, the phase sequence needs to be changed in time.
3. After the motor 105 is started stably, the rotating speed of the motor 105 is adjusted by adjusting the output of the frequency converter 102 according to the flow output requirement of the plunger pump 210 so as to match the gas flow output by the plunger pump 210;
4. after the gas circulation pump finishes working, the frequency converter 102 and the switch 101 are sequentially closed.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (9)
1. The utility model provides a high pressure resistant large-traffic small-size gas booster pump, its characterized in that, including electrical system (1) and circulating pump cavity (2), electrical system (1) links together through adapting unit (3) with circulating pump cavity (2), circulating pump cavity (2) are including casing (203), be provided with plunger pump (210) in the casing, set up cavity gas inlet (204) and cavity gas outlet (211) on casing (203), plunger pump gas outlet (205) stretch out the casing, and cavity gas outlet (211) are connected with plunger pump gas inlet (212) to the input gas pressure that makes the plunger pump equals with the inside atmospheric pressure of casing.
2. The high pressure tolerant, high flow, compact gas booster pump according to claim 1, characterized in that the plunger pump gas outlet (205) and the plunger pump gas inlet (212) are provided with a pressure sensor (206), respectively.
3. The high pressure resistant high flow rate miniature gas booster pump according to claim 2, characterized in that said electrical system (1) comprises a switch (101), a frequency converter (102), an electrical wire (103), a connector (104), an electric motor (105) connected in sequence; the connecting part (3) comprises a coupling (302); the circulating pump cavity (2) further comprises a circulating pump shaft (201), a crankshaft connecting rod (202), a one-way valve (207), an air outlet guide pipe (208), a crankshaft cavity (209), an air inlet guide pipe (213) and a dynamic sealing structure (214), one end of the circulating pump shaft (201) is connected with the motor (105) through a coupler (302), the other end of the circulating pump shaft (201) is connected with the crankshaft connecting rod (202), the crankshaft cavity (209) is arranged in the shell, the crankshaft connecting rod (202) is arranged in the crankshaft cavity (209), the number of the plunger pumps (210) is two, the crankshaft connecting rod (202) is respectively connected with pistons of the two plunger pumps (210), a plunger pump air inlet (212) is connected with air inlets of the two plunger pumps (210) through the air inlet guide pipe (213), and the plunger pump air outlet (205) is connected with air outlets of the two plunger pumps (210) through the air outlet guide pipe (208).
4. The high pressure tolerant, high flow rate, miniaturized gas booster pump according to claim 3, characterized in that said connection means (3) further comprise: the motor comprises a motor support (301), a bottom plate (303) and a circulating pump cavity fixing piece (304), wherein the motor support (301) and the circulating pump cavity fixing piece (304) are both arranged on the bottom plate (303), the motor support (301) is used for supporting a motor (105), and the circulating pump cavity fixing piece (304) is used for supporting a shell.
5. The high-pressure-resistant high-flow-rate miniature gas booster pump according to claim 4, wherein the motor (105) is an alternating-current motor, the rotation speed of the motor is adjusted by the frequency converter (102), the crankshaft connecting rod (202) penetrates through the housing (203) and is connected with the circulating pump shaft (201) through the dynamic sealing structure (214), the crankshaft connecting rod (202) is driven to rotate by the rotation of the circulating pump shaft (201), the dynamic sealing structure (214) is connected with the circulating pump shaft (201) in a packing sealing manner, and the dynamic sealing structure (214) is also connected with the housing (203) in a packing sealing manner.
6. The high pressure tolerant, high flow, compact gas booster pump according to claim 5, characterized by two plunger pumps (210) placed axially aligned along the crankshaft connecting rod (202) inside the housing (203) and in contact with the bottom of the housing (203).
7. The high pressure high flow rate miniature gas booster pump of claim 6, wherein the plunger pump is a fixed displacement plunger pump, and the flow rate of the compressed gas at the outlet is proportional to the rotational speed of the plunger pump.
8. The high pressure resistant high flow rate miniature gas booster pump of claim 7, wherein a check valve (207) is installed on each of the inlet conduit (213) and the outlet conduit (208) to maintain the unidirectional flow of inlet and outlet gas of the plunger pump (210).
9. The high pressure tolerant, high flow, miniaturized gas booster pump according to claim 8, characterized in that the outer surface of the housing (203) is designed in the form of fins, so that the heat generated by the plunger pump (210) during operation is dissipated to the surrounding atmosphere through the fins of the housing (203).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022886041.9U CN214836952U (en) | 2020-12-06 | 2020-12-06 | High-pressure-resistant large-flow small-sized gas booster pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022886041.9U CN214836952U (en) | 2020-12-06 | 2020-12-06 | High-pressure-resistant large-flow small-sized gas booster pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214836952U true CN214836952U (en) | 2021-11-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022886041.9U Active CN214836952U (en) | 2020-12-06 | 2020-12-06 | High-pressure-resistant large-flow small-sized gas booster pump |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112555127A (en) * | 2020-12-06 | 2021-03-26 | 深圳太科飞天科技有限公司 | High-pressure-resistant large-flow small-sized gas booster pump |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112555127A (en) * | 2020-12-06 | 2021-03-26 | 深圳太科飞天科技有限公司 | High-pressure-resistant large-flow small-sized gas booster pump |
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