CN211500933U - Low-pressure early warning starting device of air compressor - Google Patents
Low-pressure early warning starting device of air compressor Download PDFInfo
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- CN211500933U CN211500933U CN201922046304.2U CN201922046304U CN211500933U CN 211500933 U CN211500933 U CN 211500933U CN 201922046304 U CN201922046304 U CN 201922046304U CN 211500933 U CN211500933 U CN 211500933U
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Abstract
The utility model discloses a low-pressure early warning starting device of an air compressor, which comprises a first air compressor, an air storage tank and a connecting pipeline, wherein one end of the connecting pipeline is communicated with the output end of the first air compressor, the other end of the connecting pipeline is communicated with the air inlet end of the air storage tank, the first air compressor is taken as common equipment, a controller is started preferentially, compressed gas is stored in the air storage tank, the value detected in a pressure sensor is reduced and is lower than a set value, a second air compressor is started to continue producing the compressed gas, the gas is transmitted to the air storage tank through a check valve, when the pressure in the air storage tank is lower than 0.5MPa, the first air compressor or the second air compressor needs to be started, and when the pressure in the air storage tank reaches a full state, the second air compressor and the first air compressor are closed, the compressed air stops being produced, otherwise, when the air pressure in, and the operation is repeated in such a way, and the remote control and adjustment are realized.
Description
Technical Field
The invention relates to the field of air compressors, in particular to a low-pressure early warning starting device of an air compressor.
Background
In many assembly lines or the processing scene of the in-process of factory production, need to use pneumatic drive arrangement, consequently, need the normal operation of the air compressor machine of strict control gas holder and production compressed gas, in the traditional use, the gas holder is connected with the air compressor machine, the air compressor machine is the manual operation start-up and closes, manual operation leads to the problem of hysteresis easily, when present manufacturing scene air feed atmospheric pressure is not enough, can't discover in time, often wait to cause the paper receiving machine to connect the paper failure, the paper breaks, the fault of other equipment such as card paper is form advanced to the planishing mill many times, seriously influence other links in the production process, body paper and raw materials are extravagant, the time of workman's stagnant production causes enterprise.
Therefore, the air compressor low-pressure early warning starting device is designed to have remote control, early warning and standby second air compressor.
Disclosure of Invention
To the problem that exists, the utility model aims at developing an air compressor machine low pressure early warning starting drive, can remote control air compressor machine, through setting for the minimum pressure threshold value, early warning starts the air compressor machine in advance, can satisfy more scenes to compressed air's demand.
In order to solve the problems in the prior art, the technical scheme of the invention is as follows:
the utility model provides an air compressor machine low pressure early warning starting drive, includes first air compressor machine, gas holder and connecting tube, the first air compressor machine output of connecting tube one end UNICOM, the connecting tube other end and gas holder inlet end UNICOM still include second air compressor machine and controller, second air compressor machine output and connecting tube UNICOM, be equipped with the check valve between second air compressor machine and the connecting tube, be equipped with pressure sensor in the gas holder, first air compressor machine, second air compressor machine and pressure sensor all are connected with the controller electricity, be equipped with power starting switch, pressure display table and pressure relay on the controller, pressure sensor conveys pressure relay and pressure display table with pressure data synchronization. First air compressor machine is as equipment commonly used, and the controller is preferred to be started, makes compressed gas and stores to the gas holder, and when factory equipment is high to compressed gas demand, when first air compressor machine made compressed gas volume is less than the use amount, perhaps when first air compressor machine fault damage shut down, the numerical value that detects among the pressure sensor reduces, is less than the setting value, starts the second air compressor machine and continues to produce and make compressed gas, transmits gas to the gas holder through the check valve.
Preferably, when the pressure sensor detects that the pressure value is lower than the set low-pressure value, the pressure relay is powered on, and the controller starts the second air compressor. When factory equipment is high in demand for compressed gas, when the quantity of the compressed gas produced by the first air compressor is lower than the using quantity, or when the first air compressor is damaged and stopped due to faults, the numerical value detected in the pressure sensor is reduced and is lower than a set value, the second air compressor is started to continue producing and producing the compressed gas, and the gas is transmitted to the gas storage tank through the check valve.
Preferably, the low pressure value is 0.5MPa, and the controller turns off the second air compressor and the first air compressor when the pressure sensor detects that the pressure value is higher than the set high pressure value. When the pressure in the air storage tank is lower than 0.5MPa, the first air compressor or the second air compressor needs to be started, and after the pressure in the air storage tank reaches a full state, the second air compressor and the first air compressor are closed, compressed air is stopped being manufactured, otherwise, when the pressure in the air storage tank is reduced to 0.5MPa, the first air compressor or the second air compressor is restarted, and the steps are repeatedly circulated, remotely controlled and adjusted.
Preferably, a first starting indicator lamp is arranged between the first air compressor and the controller. The first starting indicator lamp is used for displaying the starting state of the first air compressor.
Preferably, a second starting indicator lamp is arranged between the second air compressor and the controller. And the second starting indicator lamp is used for displaying the starting state of the second air compressor.
Preferably, the first air compressor and the second air compressor are both provided with a protection box body. The protection box body is used for preventing that the air compressor machine directly absorbs waste gas dust, heavy metal, volatility toxic gas etc. in the factory building, prevents the explosion, reduces the wearing and tearing and the corruption of unit.
Preferably, the controller is provided with a first acousto-optic alarm indicator lamp and a second acousto-optic alarm indicator lamp.
Preferably, a pressure gauge is arranged on the side wall of the air storage tank, and the pressure sensor synchronously transmits pressure data to the pressure gauge. The pressure gauge outside the gas storage tank directly displays the pressure value in the gas storage tank, and workers can conveniently patrol and check the state of the gas storage tank.
The utility model has the advantages that: can remote control air compressor machine, two air compressor machines, one is commonly used, and another is reserve, prevents that one of them air compressor machine from damaging and influencing production efficiency, guarantees that the gas holder can maintain the high atmospheric pressure state always, through setting for the minimum pressure threshold value, early warning starts the air compressor machine in advance, can satisfy more scenes to compressed air's demand.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic structural diagram of the controller of the present invention;
FIG. 3 is a schematic diagram of a controller control circuit according to the present invention;
fig. 4 is the utility model discloses air compressor machine remote start circuit schematic diagram.
In the figure: the air compressor comprises a first air compressor 1, a second air compressor 2, an air storage tank 3, a pressure sensor 30, a pressure gauge 31, a controller 4, a power supply starting switch 40, a pressure display gauge 41, a first starting indicator lamp 42, a second starting indicator lamp 43, a first acousto-optic alarm indicator lamp 45, a second acousto-optic alarm indicator lamp 46, a check valve 5, a connecting pipeline 6 and a protection box body 7.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, the low-pressure early warning starting device for the air compressor comprises a first air compressor 1, an air storage tank 3 and a connecting pipeline 6, wherein one end of the connecting pipeline 6 is communicated with the output end of the first air compressor 1, the other end of the connecting pipeline is communicated with the air inlet end of the air storage tank 3, the low-pressure early warning starting device further comprises a second air compressor 2 and a controller 4, the output end of the second air compressor 2 is communicated with the connecting pipeline, a check valve 5 is arranged between the second air compressor and the connecting pipeline, a pressure sensor 30 is arranged in the air storage tank, the first air compressor 1, the second air compressor and the pressure sensor 30 are all electrically connected with the controller, when the pressure value detected by the pressure sensor is lower than the set low-pressure value, the pressure relay is closed and electrified, the controller 4 starts the second air compressor, the low-pressure value is 0.5MPa, and when the pressure value, the controller 4 closes the second air compressor 2 and the first air compressor 1, the first air compressor is used as common equipment, the controller is started preferentially to produce compressed gas and store the compressed gas into the air storage tank, when the demand of factory equipment on the compressed gas is high, the quantity of the compressed gas produced by the first air compressor is lower than the using quantity, or the first air compressor is damaged and stopped due to faults, the value detected in the pressure sensor is reduced and is lower than a set value, the second air compressor is started to continue producing the compressed gas, the gas is transmitted to the air storage tank through the check valve, when the pressure in the air storage tank is lower than 0.5MPa, the first air compressor or the second air compressor needs to be started, and when the pressure in the air storage tank reaches a full state, the second air compressor and the first air compressor are closed to stop producing the compressed air, otherwise, when the pressure in the air storage tank is reduced to 0.5MPa, and the operation is repeated in such a way, and the remote control and adjustment are realized.
First air compressor machine and second air compressor machine all are equipped with protection box 7, and protection box is arranged in preventing that the air compressor machine from directly absorbing waste gas dust, heavy metal, volatility toxic gas etc. in the factory building, prevents the explosion, reduces the wearing and tearing and the corruption of unit.
Preferably, the controller is provided with a first acousto-optic alarm indicator lamp and a second acousto-optic alarm indicator lamp.
Be equipped with manometer 31 on the gas holder lateral wall, pressure sensor 30 conveys pressure data to manometer 31 in step, and the manometer outside the gas holder directly shows the pressure value in the gas holder, makes things convenient for staff to patrol and inspect the gas holder state.
As shown in fig. 2, a power supply start switch 40, a pressure display meter 41 and a pressure relay are arranged on the controller 4, the pressure sensor 30 transmits pressure data to the pressure relay and the pressure display meter 41 synchronously, a first start indicator lamp 42 is arranged between the first air compressor and the controller, a second start indicator lamp 43 is arranged between the second air compressor and the controller, and a first acousto-optic alarm indicator lamp 45 and a second acousto-optic alarm indicator lamp 46 are arranged on the controller 4.
In this embodiment: as shown in fig. 3-4: the company has two air compressors, one is in a local control mode, the other air compressor is in a standby mode, a remote control mode is started, the pressure sensor contact Yx is set to have the starting pressure of 0.5MPa, namely the pressure sensor in the air storage tank detects the pressure of less than 0.5MPa, the Yx contact is closed,
FIG. 3: the selection switch SA1 is turned to a closed state, when the pressure in the air storage tank is lower than 0.5MPa, the pressure sensor is closed, the pressure relay KA3 is electrified,
FIG. 4: pressure relay KA3 auxiliary contact KA31 or KA32 actuation, DI02 and DI03 are first air compressor machine and second air compressor machine remote control contact respectively, first air compressor machine starts when DI02 contact closure, after DI03 contact closure, the second air compressor machine starts, wherein when atmospheric pressure reaches the highest threshold value of on-the-spot atmospheric pressure in the gas holder, also can remotely close the air compressor machine, the disconnection of SA1 switch, two air compressor machine stall, the protection air compressor machine, avoid frequently starting the air compressor machine.
The utility model discloses in: can remote control air compressor machine, two air compressor machines, one is commonly used, and another is reserve, prevents that one of them air compressor machine from damaging and influencing production efficiency, guarantees that the gas holder can maintain the high atmospheric pressure state always, through setting for the minimum pressure threshold value, early warning starts the air compressor machine in advance, can satisfy more scenes to compressed air's demand.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can understand that the changes or modifications within the technical scope of the present invention are included in the scope of the present invention, and therefore, the scope of the present invention should be subject to the protection scope of the claims.
Claims (8)
1. The utility model provides an air compressor machine low pressure early warning starting drive, includes first air compressor machine (1), gas holder (3) and connecting tube (6), the first air compressor machine of connecting tube (6) one end UNICOM (1) output, the connecting tube other end and gas holder (3) inlet end UNICOM, its characterized in that: still include second air compressor machine (2) and controller (4), second air compressor machine (2) output and connecting tube UNICOM, be equipped with check valve (5) between second air compressor machine and the connecting tube, be equipped with pressure sensor (30) in the gas holder, first air compressor machine (1), second air compressor machine and pressure sensor (30) all are connected with the controller electricity, be equipped with power starting switch (40), pressure display table (41) and pressure relay on controller (4), pressure sensor (30) convey pressure relay and pressure display table (41) with pressure data synchronization.
2. The low-pressure early warning starting device of the air compressor as claimed in claim 1, wherein: when the pressure value detected by the pressure sensor is lower than the set low-pressure value, the pressure relay is closed and electrified, and the controller (4) starts the second air compressor.
3. The low-pressure early warning starting device of the air compressor as claimed in claim 2, wherein: the low-pressure numerical value is 0.5MPa, and when the pressure sensor detects that the pressure numerical value is higher than the set high-pressure numerical value, the controller (4) closes the second air compressor (2) and the first air compressor (1).
4. The low-pressure early warning starting device of the air compressor as claimed in claim 1, wherein: and a first starting indicator lamp (42) is arranged between the first air compressor and the controller.
5. The low-pressure early warning starting device of the air compressor as claimed in claim 1, wherein: and a second starting indicator lamp (43) is arranged between the second air compressor and the controller.
6. The low-pressure early warning starting device of the air compressor as claimed in claim 1, wherein: first air compressor machine and second air compressor machine all are equipped with protection box (7).
7. The low-pressure early warning starting device of the air compressor as claimed in claim 1, wherein: and a first acousto-optic alarm indicator lamp (45) and a second acousto-optic alarm indicator lamp (46) are arranged on the controller (4).
8. The low-pressure early warning starting device of the air compressor as claimed in claim 1, wherein: the side wall of the air storage tank is provided with a pressure gauge (31), and the pressure sensor (30) transmits pressure data to the pressure gauge (31) synchronously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922046304.2U CN211500933U (en) | 2019-11-25 | 2019-11-25 | Low-pressure early warning starting device of air compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922046304.2U CN211500933U (en) | 2019-11-25 | 2019-11-25 | Low-pressure early warning starting device of air compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211500933U true CN211500933U (en) | 2020-09-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922046304.2U Active CN211500933U (en) | 2019-11-25 | 2019-11-25 | Low-pressure early warning starting device of air compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211500933U (en) |
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2019
- 2019-11-25 CN CN201922046304.2U patent/CN211500933U/en active Active
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