CN219657067U - Automatic pressure detection device for energy accumulator of die casting machine - Google Patents
Automatic pressure detection device for energy accumulator of die casting machine Download PDFInfo
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- CN219657067U CN219657067U CN202320378091.7U CN202320378091U CN219657067U CN 219657067 U CN219657067 U CN 219657067U CN 202320378091 U CN202320378091 U CN 202320378091U CN 219657067 U CN219657067 U CN 219657067U
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- 238000001514 detection method Methods 0.000 title claims abstract description 31
- 238000004512 die casting Methods 0.000 title claims abstract description 23
- 239000007788 liquid Substances 0.000 claims abstract description 150
- 238000003860 storage Methods 0.000 claims abstract description 85
- 239000006096 absorbing agent Substances 0.000 claims abstract description 23
- 238000004146 energy storage Methods 0.000 claims description 53
- 239000011229 interlayer Substances 0.000 claims description 11
- 238000009530 blood pressure measurement Methods 0.000 claims description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract description 34
- 239000010720 hydraulic oil Substances 0.000 abstract description 27
- 229910052757 nitrogen Inorganic materials 0.000 abstract description 17
- 239000007789 gas Substances 0.000 description 33
- 239000003921 oil Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 239000002828 fuel tank Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Supply Devices, Intensifiers, Converters, And Telemotors (AREA)
Abstract
The utility model discloses an automatic pressure detection device for an energy accumulator for a die casting machine, which comprises an energy accumulator, a first pressure sensor, a liquid controller, a driving absorber, a filter, a second pressure sensor and a liquid storage tank, wherein a plurality of energy accumulators are respectively connected to the liquid controller, the first pressure sensor is connected between the energy accumulator and the liquid controller, the liquid controller is connected with the driving absorber and the liquid storage tank, the second pressure sensor is connected between the driving absorber and the filter, the filter is connected with the liquid storage tank, hydraulic oil sucked by the driving absorber into the liquid storage tank enters the energy accumulator to store energy, so that the pressure of a hydraulic oil end is measured by the first pressure sensor arranged between the energy accumulator and the liquid controller, and the pressure value is the pressure of nitrogen of the energy accumulator.
Description
Technical Field
The utility model relates to the technical field of pressure detection equipment, in particular to an automatic pressure detection device for an energy accumulator for a die casting machine.
Background
The prior art method for detecting the stored energy pressure of the die casting machine is shown in fig. 3, wherein an existing pressure sensor 8' is installed at the air end of the accumulator, and the pressure of the existing accumulator 9' is confirmed by the feedback of the existing pressure sensor 8' at the air end. When the existing accumulator 9 'stores nitrogen, the existing pressure sensor 8' will transmit the nitrogen pressure in the existing accumulator 9 'back to the computer, and the pressure at this time defaults to the nitrogen pressure of the existing accumulator 9'. When the energy storage action is performed, the system supplies oil pressure to the existing energy storage 9', during which the hydraulic oil compresses nitrogen, thereby raising the nitrogen pressure, and when the pressure feedback of the existing pressure sensor 8' reaches the set energy storage pressure, the energy storage is stopped. The pressure of the existing pressure sensor 8 'fed back at this time is the pressure of the existing accumulator 9'.
The compression ratio of the gas is greatly affected by temperature, and because the energy storage is a very rapid process, a great amount of heat can be generated when the nitrogen is rapidly compressed, and thus the indication of the existing pressure sensor 8 'detected during the energy storage has a larger error with the indication of the existing pressure sensor 8' after the actual standing.
Because the air ends of the existing energy storages 9 'cannot be communicated, an existing pressure sensor 8' must be provided for one existing energy storages 9', the money used on the existing pressure sensor 8' is more, the existing pressure sensor 8 'is also an analog signal, when the existing energy storages 9' are more, the number of analog channels of a computer is more required, and the analog is easy to be interfered to generate larger deviation. Therefore, the energy storage pressure detection mode of the die casting machine in the prior art is large in error, high in cost and unfavorable for pressure detection.
Disclosure of Invention
In order to overcome the defects in the prior art, the utility model aims to provide the automatic detection device for the accumulator pressure for the die casting machine, which has ingenious structure, can measure the pressure of the liquid end through liquid compressed gas by using the pressure sensor, can obtain the gas pressure of the accumulator, and is beneficial to the application and popularization of the detection device in the technical field of pressure detection equipment.
In order to achieve the aim, the utility model adopts the following technical scheme that the automatic pressure detection device of the energy accumulator for the die casting machine comprises the energy accumulator, a first pressure sensor, a liquid controller, a driving absorber, a filter, a second pressure sensor and a liquid storage tank; the energy storages are respectively connected with the liquid controller, and the first pressure sensor is connected between the energy storages and the liquid controller and used for detecting the liquid pressure of the energy storages; the liquid controller is connected with the driving absorber and the liquid storage tank and used for controlling liquid flow between the liquid storage tank and the driving absorber and the energy storage device respectively; the second pressure sensor is connected between the driving absorber and the filter and is used for detecting the liquid supply pressure of the driving absorber; the filter is connected with the liquid storage tank.
As a preferred scheme of the utility model, the energy accumulator comprises a gas storage part, a liquid storage part and a soft interlayer, wherein the gas storage part is connected with the liquid storage part and is positioned above the liquid storage part.
As a preferable scheme of the utility model, the soft interlayer is arranged between the gas storage part and the liquid storage part.
As a preferable mode of the utility model, the lower end of the liquid storage part is connected with the liquid controller.
As a preferable mode of the present utility model, the liquid storage portion is used for filling the liquid for pressure measurement.
As a preferred scheme of the utility model, the liquid storage tank is connected with the liquid controller through a pipeline for liquid pressure relief of the energy accumulator.
As a preferred embodiment of the present utility model, the driving suction device includes a driving machine and a suction machine, and the driving machine is mounted to the suction machine.
As a preferable mode of the utility model, the liquid storage tank is connected with the liquid controller through a pipeline, so that the liquid of the energy storage device can flow back to the liquid storage tank to be recycled.
Compared with the prior art, the method has the following beneficial effects:
1. the utility model relates to an automatic pressure detection device of an energy accumulator for a die casting machine, which comprises an energy accumulator, a first pressure sensor, a liquid controller, a driving absorber, a filter, a second pressure sensor and a liquid storage tank, wherein a plurality of energy accumulators are respectively connected to the liquid controller, the first pressure sensor is connected between the energy accumulator and the liquid controller, the liquid controller is connected with the driving absorber and the liquid storage tank, the second pressure sensor is connected between the driving absorber and the filter, the filter is connected with the liquid storage tank, the driving absorber of the device absorbs liquid of the liquid storage tank into the energy accumulator, and the pressure of the liquid end is measured through the pressure sensor arranged between the energy accumulator and the liquid controller, so that the gas pressure of the energy accumulator is obtained, the structure is ingenious, the accuracy of the measured pressure is improved, and the application and popularization of the detection device in the technical field of pressure detection equipment are facilitated.
2. The pressure sensor of the device is arranged between the energy storage device and the liquid controller, compared with the prior art that the pressure sensor is arranged on each energy storage device, the cost of the device is saved, the pressure measured by the gas pressure is easy to change, and the pressure of the liquid end is measured by the device, so that the gas pressure is obtained, and the measured value is more accurate.
3. The liquid controller of the device can control the flow of liquid, when energy is stored, the channel of the liquid controller to the energy storage device is opened, the liquid flows into the energy storage device, after the pressure measurement is finished, the channel of the liquid controller to the liquid storage box is opened, the liquid flows into the liquid storage box, and the flow of the liquid forms a loop.
4. The driving absorber of the device comprises a driving machine and an absorbing machine, the driving machine drives the absorbing machine to move, liquid in the liquid storage tank is absorbed into the energy storage device, the liquid with set pressure can be provided for the energy storage device, and the stability of the pressure measuring process is ensured.
5. The energy accumulator of the device comprises a gas storage part, a liquid storage part and a soft interlayer, the gas of the gas storage part is compressed by the liquid of the liquid storage part, so that the gas generates reaction force to the liquid, the pressure of the liquid end is measured by the first pressure sensor, the gas pressure is obtained, the steps are simple, and the working efficiency of workers is improved.
Drawings
FIG. 1 is a schematic diagram of an automatic pressure detecting device for an accumulator for a die casting machine according to an embodiment;
FIG. 2 is a schematic flow chart of an automatic pressure detection method of an accumulator for a die casting machine in an embodiment;
fig. 3 is a schematic structural view of an automatic pressure detecting device for an accumulator for a die casting machine in the prior art.
Reference numerals: 1. an energy storage; 1-1, a gas storage part; 1-2, a liquid storage part; 1-3, a soft interlayer; 2. a first pressure sensor; 3. a liquid controller; 4. driving the aspirator; 4-1, a driving machine; 4-2, a suction machine; 5. a filter; 6. a liquid storage tank; 7. a second pressure sensor; 8', existing pressure sensors; 9', existing energy storage; 10', existing energy storage valves; 11', an existing oil pump motor; 12', an existing oil filter; 13', existing fuel tanks.
Detailed Description
Embodiments of the present utility model will be described in detail below with reference to the accompanying drawings.
Example 1: as shown in fig. 1 to 2, an automatic pressure detection device for an accumulator for a die casting machine mainly comprises an accumulator 1, a first pressure sensor 2, a liquid controller 3, a driving suction device 4, a filter 5, a second pressure sensor 7 and a liquid storage tank 6. The three energy storages 1 are respectively connected to the liquid controllers 3, the liquid controllers 3 are electromagnetic directional valves, and the flow of the liquid in the energy storages 1 is controlled by the liquid controllers 3, and the liquid is hydraulic oil. The first pressure sensor 2 is connected between the accumulator 1 and the liquid controller 3, and the first pressure sensor 2 is used for measuring the pressure of hydraulic oil in the accumulator 1. The liquid controller 3 is connected with the driving absorber 4, the driving absorber 4 is an oil pump motor, the driving absorber 4 can absorb hydraulic oil of the liquid storage tank 6 to be input into the energy storage device 1, and the liquid controller 3 is connected with the liquid storage tank 6, so that the hydraulic oil flowing out of the energy storage device 1 after pressure measurement is finished enters the liquid storage tank 6 through the liquid controller 3. The second pressure sensor 2 is connected between the driving suction device 4 and the filter 5 and is used for displaying the pressure of the hydraulic oil sucked by the driving suction device 4, namely the energy storage pressure set by the staff. The filter 5 is connected with the liquid storage tank 6, and a filter screen is arranged in the filter 5 and can be used for filtering impurities in hydraulic oil to prevent the hydraulic oil from being blocked in a pipeline. The whole device is sequentially connected with the liquid storage tank 6 through the energy storage device 1, the first pressure sensor 2, the liquid controller 3, the driving suction device 4, the filter 5, the second pressure sensor 7 and the liquid storage tank 6, and then the liquid storage tank 6 is connected with the liquid controller 3 to form a loop, so that hydraulic oil enters the energy storage device 1 through the suction of the driving suction device 4 when the energy storage is measured, the hydraulic oil in the energy storage device 1 flows back to the liquid storage tank 6 after the energy storage is measured, and the hydraulic oil can be recycled. The detection device is ingenious in structure, the pressure value of the gas is obtained by measuring the pressure of the liquid end of the energy accumulator 1, and the accuracy and the detection efficiency of measuring the pressure value of the gas of the energy accumulator are improved.
The energy accumulator 1 of the embodiment comprises a gas storage part 1-1, a liquid storage part 1-2 and a soft interlayer 1-3, wherein the gas storage part 1-1 is positioned above the liquid storage part 1-2, the soft interlayer 1-3 is arranged between the gas storage part 1-1 and the liquid storage part, and the soft interlayer 1-3 is a leather interlayer and has elasticity. The liquid storage part 1-2 is used for filling hydraulic oil, the lower end of the liquid storage part is connected with the liquid controller 3 through a pipeline, and the liquid storage part 1-1 is used for filling gas, and the gas is nitrogen. The whole energy accumulator 1 mainly compresses nitrogen of the gas storage part 1-1 through hydraulic oil of the liquid storage part 1-2, the nitrogen has a reaction force on the hydraulic oil, the pressure of the hydraulic oil of the liquid storage part 1-2 is measured through a pressure sensor I2 arranged between the energy accumulator 1 and the liquid controller 3, and therefore the nitrogen pressure of the gas storage part 1-1 is obtained and is the pressure value measured by the pressure sensor I2.
The prior art detection device is connected with the existing pressure sensor 8' on the gas storage part of each existing energy accumulator 9', when the energy storage action is carried out, the system provides oil pressure for the existing energy accumulator 9', in the process, hydraulic oil compresses nitrogen, so that the pressure of the nitrogen is increased, when the pressure feedback of the existing pressure sensor 8' reaches the set energy storage pressure, the energy storage is stopped, and the pressure of the existing pressure sensor 8' fed back at the moment is the gas pressure. On the one hand, the compression ratio of nitrogen is greatly influenced by temperature, so that the energy storage is a very rapid process, and a large amount of heat can be generated when the nitrogen is rapidly compressed, so that the detected indication of the existing pressure sensor 8 'during energy storage has a larger error with the actual indication of the existing pressure sensor 8' after standing. On the other hand, the air ends of the existing energy storages 9 'cannot be communicated, so that one existing energy storages 9' must have an existing pressure sensor 8', the money used on the existing pressure sensor 8' is more, the existing pressure sensor 8 'is also an analog signal, when the existing energy storages 9' are more, the number of analog channels of the computer is more required, and the analog is easy to be interfered to generate larger deviation. Compared with the detection device in the prior art, the device installs the first pressure sensor 2 between the energy accumulator 1 and the liquid controller 3, and only one pressure sensor 2 is needed to measure the pressure values of the three energy accumulators 1, so that the device cost is saved, the first pressure sensor 2 measures the pressure of the hydraulic oil of the energy accumulator 1, the pressure of the hydraulic oil is stable and is not easy to be interfered by factors such as temperature, the measured pressure value is the pressure value of the nitrogen of the energy accumulator 1, and the measurement precision is improved.
The driving suction device 4 of the embodiment comprises a driving machine 4-1 and a suction machine 4-2, wherein the driving machine 4-1 is connected with the suction machine 4-2, the driving machine 4-1 is a motor, the driving machine 4-1 is started to operate, and the suction machine 4-2 can be driven to suck hydraulic oil in the liquid storage tank 6. The operating power of the driving absorber 4 can be adjusted by a worker to change the speed of absorbing the hydraulic oil, so that the hydraulic oil reaches the set pressure, and the driving absorber 4 is arranged in the device to provide a stable pressure for the oil supply of the energy accumulator 1, thereby improving the stability of the measured gas pressure.
The gas pressure detection of the accumulator 1 of the present embodiment mainly includes the following steps:
step S1, when energy storage is started, a liquid controller 3 is opened, a driving suction device 4 is started to supply liquid to an energy storage device 1 by a liquid pressure P1, so that the liquid flows into the energy storage device 1 to compress an air storage part 1-1 for energy storage;
step S2, the first pressure sensor 2 detects that the liquid pressure of the energy accumulator 1 reaches the liquid supply pressure P1 for driving the absorber 4, and the pressure is not reduced for 1S, and the step S3 is entered;
step S3, the driving suction device 4 supplies liquid to the energy accumulator 1 by the liquid supply pressure P2, and meanwhile, the liquid pressure of the energy accumulator 1 is detected by the pressure sensor I2; if the liquid pressure of the accumulator 1 reaches the supply pressure P2 within 100ms, step S4 is performed; if the liquid pressure of the accumulator 1 does not reach the supply pressure P2 within 100ms, executing step S5;
step S4, adjusting the supply pressure p2=p2+ [ delta ] P of the driving suction device 4, and returning to step S3;
step S5, if the pressure P2 of the liquid supply is not greater than the standard pressure P0 of the gas storage part, the gas storage part of the energy accumulator is inflated and then returns to the step S3;
if the supply pressure P2 is greater than the gas storage portion standard pressure P0, Δp= Δp/2 is adjusted: if Δp is greater than 1bar, adjusting the feed pressure p2=p2—Δp of the drive aspirator 4, and returning to step S3; if ΔP is not more than 1bar, the pressure of the gas storage portion is recorded as the supply pressure P2 at that time.
According to the method, the detection accuracy of the pressure of the energy accumulator 1 can reach 1bar finally, and the use condition is met.
According to the automatic pressure detection device for the energy accumulator for the die casting machine, the hydraulic oil of the liquid storage tank 6 is sucked by the suction device 4 to enter the energy accumulator 1 through driving, so that the pressure at the hydraulic oil end is measured by the first pressure sensor 2 arranged between the energy accumulator 1 and the liquid controller 3, and the pressure value is the pressure of nitrogen of the energy accumulator 1.
Example 2: the present embodiment is different from embodiment 1 in that: according to the automatic pressure detection device for the energy accumulator for the die casting machine, the liquid controller 3 is replaced by two one-way valves, and the two one-way valves are respectively arranged between the energy accumulator 1 and the driving absorber 4 and between the energy accumulator 1 and the liquid storage tank 6, so that hydraulic oil can flow into the energy accumulator 1 and be controlled by the one-way valves, and the flow into the liquid storage tank 6 can be controlled by another one-way valve, so that the overall flow control of the hydraulic oil is realized.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model; thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Although the reference numerals in the figures are used more herein: 1. an energy storage; 1-1, a gas storage part; 1-2, a liquid storage part; 1-3, a soft interlayer; 2. a first pressure sensor; 3. a liquid controller; 4. driving the aspirator; 4-1, a driving machine; 4-2, a suction machine; 5. a filter; 6. a liquid storage tank; 7. a second pressure sensor; 8', existing pressure sensors; 9', existing energy storage; 10', existing energy storage valves; 11', an existing oil pump motor; 12', an existing oil filter; 13', existing fuel tanks, etc., but does not exclude the possibility of using other terms. These terms are used merely for convenience in describing and explaining the nature of the utility model; they are to be interpreted as any additional limitation that is not inconsistent with the spirit of the present utility model.
Claims (8)
1. An automatic pressure detection device of an energy accumulator for a die casting machine is characterized in that: the device comprises an energy accumulator (1), a first pressure sensor (2), a liquid controller (3), a driving suction device (4), a filter (5), a second pressure sensor (7) and a liquid storage tank (6); the energy storages (1) are respectively connected with the liquid controller (3), and the first pressure sensor (2) is connected between the energy storages (1) and the liquid controller (3) and is used for detecting the liquid pressure of the energy storages (1); the liquid controller (3) is connected with the driving suction device (4) and the liquid storage tank (6) and is used for controlling liquid flow between the liquid storage tank (6) and the driving suction device (4) and the energy storage device (1) respectively; the second pressure sensor (7) is connected between the driving absorber (4) and the filter (5) and is used for detecting the liquid supply pressure of the driving absorber (4); the filter (5) is connected with the liquid storage tank (6).
2. The automatic pressure detection device for an accumulator for a die casting machine according to claim 1, characterized in that: the energy accumulator (1) comprises a gas storage part (1-1), a liquid storage part (1-2) and a soft interlayer (1-3), wherein the gas storage part (1-1) is connected with the liquid storage part (1-2) and is positioned above the liquid storage part (1-2).
3. The automatic pressure detection device for an accumulator for a die casting machine according to claim 2, characterized in that: the soft interlayer (1-3) is arranged between the gas storage part (1-1) and the liquid storage part (1-2).
4. An automatic pressure detecting device for an accumulator for a die casting machine according to claim 3, wherein: the lower end of the liquid storage part (1-2) is connected with the liquid controller (3).
5. The automatic pressure detection device for an accumulator for a die casting machine according to claim 4, wherein: the liquid storage part (1-2) is used for filling the liquid with pressure measurement.
6. The automatic pressure detection device for an accumulator for a die casting machine according to claim 1, characterized in that: the liquid storage tank (6) is connected with the liquid controller (3) through a pipeline and used for releasing the liquid of the energy accumulator (1).
7. The automatic pressure detection device for an accumulator for a die casting machine according to claim 1, characterized in that: the driving suction device (4) comprises a driving machine (4-1) and a suction machine (4-2), wherein the driving machine (4-1) is arranged on the suction machine (4-2).
8. The automatic pressure detection device for an accumulator for a die casting machine according to claim 1, characterized in that: the liquid storage tank (6) is connected with the liquid controller (3) through a pipeline, so that the liquid of the energy accumulator (1) can flow back to the liquid storage tank (6) to be recycled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320378091.7U CN219657067U (en) | 2023-03-03 | 2023-03-03 | Automatic pressure detection device for energy accumulator of die casting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320378091.7U CN219657067U (en) | 2023-03-03 | 2023-03-03 | Automatic pressure detection device for energy accumulator of die casting machine |
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| Publication Number | Publication Date |
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| CN219657067U true CN219657067U (en) | 2023-09-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320378091.7U Active CN219657067U (en) | 2023-03-03 | 2023-03-03 | Automatic pressure detection device for energy accumulator of die casting machine |
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| CN (1) | CN219657067U (en) |
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- 2023-03-03 CN CN202320378091.7U patent/CN219657067U/en active Active
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