CN220037623U - Electromagnetic valve testing oil source system - Google Patents
Electromagnetic valve testing oil source system Download PDFInfo
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- CN220037623U CN220037623U CN202321461837.7U CN202321461837U CN220037623U CN 220037623 U CN220037623 U CN 220037623U CN 202321461837 U CN202321461837 U CN 202321461837U CN 220037623 U CN220037623 U CN 220037623U
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- valve
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- hydraulic pump
- detection device
- oil tank
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- 238000012360 testing method Methods 0.000 title claims abstract description 53
- 239000003921 oil Substances 0.000 claims abstract description 131
- 238000001514 detection method Methods 0.000 claims abstract description 63
- 239000007788 liquid Substances 0.000 claims abstract description 33
- 239000010720 hydraulic oil Substances 0.000 claims abstract description 12
- 238000005452 bending Methods 0.000 claims description 15
- 238000004140 cleaning Methods 0.000 claims description 3
- 230000001276 controlling effect Effects 0.000 description 10
- 230000010349 pulsation Effects 0.000 description 3
- 230000004044 response Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000003749 cleanliness Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000001595 flow curve Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The utility model discloses a solenoid valve test oil source system, which comprises: the hydraulic control system comprises an oil tank, a servo motor, a hydraulic pump, a flow detection device, a switching valve, a detection pipeline and a control device, wherein the oil tank is used for storing hydraulic oil, the servo motor is in driving connection with the hydraulic pump, a liquid inlet end of the hydraulic pump is connected with the oil tank, a liquid outlet end of the hydraulic pump is sequentially connected with the flow detection device, the switching valve and the detection pipeline, and the detection pipeline is used for being connected with an electromagnetic valve to be tested to perform electromagnetic valve test; the control device is connected with the servo motor and used for controlling the working state of the servo motor. In the embodiment, the hydraulic pump is directly controlled by the servo motor to convey the oil source to the solenoid valve to be tested, so that a pipeline is simplified, the cost is reduced, and the tolerance temperature range of the oil source system is wider.
Description
Technical Field
The utility model relates to the technical field of test equipment, in particular to an electromagnetic valve test oil source system.
Background
Solenoid valves are widely used in various fields, and in order to improve the product qualification of the solenoid valve, various steady-state and dynamic characteristics (including pressure flow curve, pressure hysteresis, response time, etc.) of the solenoid valve need to be tested by a solenoid valve test oil source system.
In the prior art, the test is generally performed by a valve-controlled oil source system for supplying oil through a motor driving a hydraulic pump and a servo valve, but the following problems exist: 1. the pipeline is complex, and the valve control system is in a secondary pressure output mode, so that the oil source pressure is firstly increased to a fixed pressure through the motor pump, and then the pressure is input to the tested electromagnetic valve through the servo valve, and the pipeline structure is complex in design; 2. the cost is high, and the servo valve has high control precision, so the processing technology is complex, the requirement is high, and the price is high; 3. the temperature is not tolerant to high and low temperatures, and is generally limited to-20 to 60 ℃ (except special).
Therefore, there is a need to design a solenoid valve test oil source system to solve the above problems.
Disclosure of Invention
Aiming at the technical problems, the utility model aims to provide the electromagnetic valve test oil source system, which directly controls the hydraulic pump to convey oil source to the electromagnetic valve to be tested through the servo motor, so that a pipeline is simplified, the cost is reduced, and the tolerance temperature range of the oil source system is wider.
In order to achieve the above object, the present utility model provides a solenoid valve test oil source system, comprising: the hydraulic control system comprises an oil tank, a servo motor, a hydraulic pump, a flow detection device, a switching valve, a detection pipeline and a control device, wherein the oil tank is used for storing hydraulic oil, the servo motor is in driving connection with the hydraulic pump, a liquid inlet end of the hydraulic pump is connected with the oil tank, a liquid outlet end of the hydraulic pump is sequentially connected with the flow detection device, the switching valve and the detection pipeline, and the detection pipeline is used for being connected with an electromagnetic valve to be tested to perform electromagnetic valve test; the control device is connected with the servo motor and used for controlling the working state of the servo motor.
In some embodiments, further comprising:
the filter is arranged between the liquid outlet end of the hydraulic pump and the flow detection device and is used for cleaning hydraulic oil from the hydraulic pump.
In some embodiments, further comprising:
the pressure detection device is arranged between the liquid outlet end of the hydraulic pump and the switch valve and is used for detecting the system pressure.
In some embodiments, further comprising:
the proportional throttle valve is arranged between the liquid outlet end of the hydraulic pump and the switch valve and is used for adjusting the flow of the system.
In some embodiments, further comprising:
the valve body is arranged on the oil tank, the valve body is connected with the liquid outlet end of the hydraulic pump through an oil pipe, and the flow detection device, the switching valve, the detection pipeline, the filter, the pressure detection device and the proportional throttle valve are respectively arranged on the valve body.
In some embodiments, the detection pipeline comprises a fixed section and a bending section, the fixed section and the bending section are arranged at an angle, one end of the fixed section, which is far away from the bending section, is connected with the valve body, and one end of the bending section, which is far away from the fixed section, is used for being connected with the electromagnetic valve to be detected.
In some embodiments, further comprising:
the test bench is arranged at the top of the oil tank or at one side of the valve body, and is positioned at the lower side of the bending section and used for placing the electromagnetic valve to be tested.
In some embodiments, the control device is connected with the flow detection device and is used for controlling the working state of the flow detection device;
and/or the control device is connected with the switch valve and used for controlling the working state of the switch valve;
and/or the control device is connected with the pressure detection device and used for controlling the working state of the pressure detection device;
and/or the control device is connected with the proportional throttle valve and used for controlling the working state of the proportional throttle valve.
In some embodiments, further comprising:
the oil return filter is arranged on the oil tank and is used for being connected with an oil return way to filter the oil return;
and/or, an overflow valve is arranged at the liquid outlet end of the hydraulic pump;
and/or a liquid level gauge, which is arranged on the oil tank and is used for observing the liquid level height of the oil tank;
and/or the temperature control device is connected with the oil tank and used for controlling the temperature of the hydraulic oil in the oil tank.
Compared with the prior art, the electromagnetic valve test oil source system provided by the utility model has the following beneficial effects:
according to the utility model, the servo motor is used for directly controlling the hydraulic pump to convey the oil source to the electromagnetic valve to be tested, so that the secondary pressure input of the servo valve is canceled, the pipeline is simplified, and the cost is reduced; meanwhile, the use of a servo valve is eliminated, so that the temperature range of the oil source system can reach-40-120 ℃, and the tolerance temperature range of the oil source system is wider.
Drawings
The above features, technical features, advantages and implementation of the present utility model will be further described in the following description of preferred embodiments with reference to the accompanying drawings in a clear and easily understood manner.
FIG. 1 is a schematic diagram of a solenoid valve test oil supply system according to a preferred embodiment of the present utility model;
FIG. 2 is a front view of a solenoid valve test oil supply system according to a preferred embodiment of the present utility model;
FIG. 3 is a top view of a solenoid valve test oil supply system according to a preferred embodiment of the utility model;
FIG. 4 is a side view of a solenoid valve test oil supply system according to a preferred embodiment of the present utility model.
Reference numerals illustrate:
the device comprises an oil tank 1, a servo motor 2, a hydraulic pump 3, a flow detection device 4, a switch valve 5, a detection pipeline 6, a filter 7, a pressure detection device 8, a proportional throttle valve 9, a valve body 10, a test bench 11, an oil return filter 12, a liquid level meter 13 and an oil pipe 14.
Detailed Description
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the following description will explain the specific embodiments of the present utility model with reference to the accompanying drawings. It is evident that the drawings in the following description are only examples of the utility model, from which other drawings and other embodiments can be obtained by a person skilled in the art without inventive effort.
For simplicity of the drawing, only the parts relevant to the utility model are schematically shown in each drawing, and they do not represent the actual structure thereof as a product. Additionally, in order to simplify the drawing for ease of understanding, components having the same structure or function in some of the drawings are shown schematically with only one of them, or only one of them is labeled. Herein, "a" means not only "only this one" but also "more than one" case.
It should be further understood that the term "and/or" as used in the present specification and the appended claims refers to any and all possible combinations of one or more of the associated listed items, and includes such combinations.
In this context, it should be noted that the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, unless explicitly stated or limited otherwise; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
In addition, in the description of the present utility model, the terms "first," "second," and the like are used merely to distinguish between descriptions and are not to be construed as indicating or implying relative importance.
In one embodiment, referring to fig. 1 to 4 of the specification, the present utility model provides a solenoid valve test oil source system, including: the hydraulic oil test device comprises an oil tank 1, a servo motor 2, a hydraulic pump 3, a flow detection device 4, a switch valve 5, a detection pipeline 6 and a control device, wherein the oil tank 1 is used for storing hydraulic oil, the servo motor 2 is in driving connection with the hydraulic pump 3, a liquid inlet end of the hydraulic pump 3 is connected with the oil tank 1, a liquid outlet end of the hydraulic pump 3 is sequentially connected with the flow detection device 4, the switch valve 5 and the detection pipeline 6, and the detection pipeline 6 is used for being connected with an electromagnetic valve to be tested to test the electromagnetic valve; the control device is connected with the servo motor 2 and is used for controlling the working state of the servo motor 2.
In the embodiment, the servo motor 2 directly controls the hydraulic pump 3 to convey oil to the solenoid valve to be tested, so that the secondary pressure input of the servo valve is canceled, a pipeline is simplified, and the cost is reduced; meanwhile, the use of a servo valve is eliminated, so that the temperature range of the oil source system can reach-40-120 ℃, and the tolerance temperature range of the oil source system is wider.
Specifically, the control device is used as a control unit of the electromagnetic valve test oil source system, and can be various devices with control functions such as an electric cabinet, a PLC and the like.
The flow detection device 4 can be a common flowmeter, and can directly obtain the oil source flow through reading; the flow rate detection device 4 may also be an electronic flow meter, which is connected to the control device, is capable of transmitting flow rate parameters to the control device, and is capable of controlling its operating state by the control device.
The switching valve 5 may be a manual valve or an electromagnetic switching valve, and is connected to a control device, and the switching and opening degree thereof can be controlled by the control device.
In one embodiment, referring to fig. 1 to 4 of the specification, the solenoid valve test oil source system further includes: a filter 7, the filter 7 is disposed between the outlet end of the hydraulic pump 3 and the flow rate detecting device 4, for cleaning the hydraulic oil from the hydraulic pump 3. By providing the filter 7 to maintain cleanliness of the oil, usability, safety, stability and service life of the system components are improved.
The solenoid valve test oil source system further includes: and the pressure detection device 8 is arranged between the liquid outlet end of the hydraulic pump 3 and the switch valve 5 and is used for detecting the system pressure. The pressure detection device 8 can be a pointer pressure gauge, a digital display pressure gauge or an electronic pressure gauge, wherein the electronic pressure gauge is connected with the control device, and the control device controls the working state of the electronic pressure gauge.
The solenoid valve test oil source system further includes: the proportional throttle valve 9, the proportional throttle valve 9 is set up between liquid outlet end of the hydraulic pump 3 and on-off valve 5, is used for regulating the flow of the system. The proportional throttle valve 9 is a variable throttle for limiting the bypass return oil flow, and the proportional throttle valve 9 is connected with the control device to control the opening state so that the oil can flow through the main oil way and also can flow back to the oil tank 1 through the branch. Because the hydraulic pump 3 has pulsation, that is, the derived oil pressure has pressure change or flow velocity change in a very short time, under the condition of low rotation speed, the pulsation phenomenon is more obvious, and the oil pressure is unstable or the flow velocity is unstable, therefore, by arranging the proportional throttle valve 9, the flow passing through the hydraulic pump 3 is higher, part of the flow is derived through the proportional throttle valve, and the other part of the flow is led into the detection pipeline 6 through the main oil way, so that the hydraulic pump 3 can not have too slow rotation speed under the detection condition of meeting the low flow or low pressure of products, and the pulsation influence is reduced.
The solenoid valve test oil source system further includes: and the overflow valve is arranged at the liquid outlet end of the hydraulic pump 3. The overflow valve belongs to a branch and plays a role in safety protection in the system, and when the pressure of the system exceeds a specified value, the overflow valve is opened. The overflow valve is a safety valve, a spring is arranged in the valve, and when the oil pressure is too high, the pressure can be relieved by discharging oil from the branch.
The solenoid valve test oil source system further includes: the liquid level gauge 13 is arranged on the side wall of the oil tank 1 and is used for observing the liquid level height of the oil tank 1; the operator can observe the quantity of liquid in the oil tank 1 through the liquid level gauge 13 arranged on the oil tank 1, and when the liquid quantity is too small, the liquid can be added through the oil filler.
The solenoid valve test oil source system further includes: the temperature control device is connected with the oil tank 1 and used for controlling the temperature of hydraulic oil in the oil tank 1. The temperature control device can be a heating device or a cooling device, which can control the temperature of the hydraulic oil in the oil tank 1 to detect the performance of the electromagnetic valve under different oil temperature conditions.
The solenoid valve test oil source system further includes: the oil return filter 12 is arranged on the oil tank 1 and is used for being connected with an oil return way to filter the oil return; by providing the oil return filter 12 to maintain cleanliness of the oil, the operational performance, safety, stability and service life of the system components are improved. Of course, the oil return filter 12 may be connected to the oil return pipe, or may be disconnected, or may not be connected, or may not have a filtering function, and the connection may implement filtering.
In this embodiment, the servo motor 2 is directly connected with the hydraulic pump 3, the servo motor 2 drives the hydraulic pump 3 to rotate, so that the oil in the oil tank 1 can be output, the higher the rotation speed is, the larger the output flow or pressure is, the smaller the flow or pressure is, the output oil source passes through the oil pipe 14, the filter 7, the flow detection device 4, the pressure detection device 8 and the switch valve 5, and then is input to the detection pipeline 6, the oil source outlet pressure value can be observed through the pressure gauge 8 during the process, and when the system pressure exceeds the set value of the safety overflow valve, the safety valve is opened, so that the safety of the oil source system can be effectively protected.
In one embodiment, referring to fig. 1 to 4, the solenoid valve test oil source system further comprises: the valve body 10, the valve body 10 is installed on the oil tank 1, and the valve body 10 is connected with the liquid outlet end of the hydraulic pump 3 through an oil pipe 14. The flow rate detection device 4, the switching valve 5, the detection pipe 6, the filter 7, the pressure detection device 8, and the proportional throttle valve 9 are provided on the valve body 10, respectively. By integrating all components of the electromagnetic valve test oil source system on the valve body 10, pipeline connection is avoided, so that pipelines are simplified, and cost is reduced; and the structure of the electromagnetic valve test oil source system is more compact, and the occupied space is greatly reduced.
Specifically, the detection pipeline 6 comprises a fixed section and a bending section, wherein the fixed section and the bending section are arranged at an angle, one end of the fixed section, which is far away from the bending section, is connected with the valve body 10, and one end of the bending section, which is far away from the fixed section, is used for being connected with the electromagnetic valve to be detected. The detection pipeline 6 detects the valve body such as switching valve or oil pump proportional valve for the article that awaits measuring, and its testing process does: when the to-be-detected product is a tee joint, one end of the to-be-detected product is connected with an oil inlet pipe, the other end of the to-be-detected product is connected with an oil outlet pipe, and the other end of the to-be-detected product is connected with a detection pipeline 6; just start the switch to open, the oil is led into and is detected pipeline 6 for detect pipeline 6 is filled with oil, then closes the article valve switch that awaits measuring, pressurize, and inspection detects 6 mouthful positions of pipeline at this moment and whether drip oil, if there is the oil condition, it is unqualified to indicate the article valve that awaits measuring (the valve allows there is a small amount of leakage). When the to-be-detected article is two-way, one end of the to-be-detected article is connected with the oil inlet pipeline, the other end of the to-be-detected article is connected with the fold detection pipeline 6, and then the valve tightness of the to-be-detected article is detected. The type that the solenoid valve test oil source system can detect is valve flow detection, response time detection or allowable leakage amount detection, namely tightness detection.
Further, the solenoid valve test oil source system further includes: the test bench 11, test bench 11 set up in the top of oil tank 1 or one side of valve body 10, and test bench 11 is located the downside of bending section for place the solenoid valve that awaits measuring or await measuring solenoid valve frock.
In the embodiment, the electromagnetic valve test oil source system can test various steady-state and dynamic characteristics of the electromagnetic valve, and the test contents comprise a pressure flow curve, pressure hysteresis and response time.
In the foregoing embodiments, the descriptions of the embodiments are focused on, and the parts of a certain embodiment that are not described or depicted in detail may be referred to in the related descriptions of other embodiments.
It should be noted that the above embodiments can be freely combined as needed. The foregoing is merely a preferred embodiment of the present utility model and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present utility model, which are intended to be comprehended within the scope of the present utility model.
Claims (9)
1. A solenoid valve test oil source system, comprising: the hydraulic control system comprises an oil tank, a servo motor, a hydraulic pump, a flow detection device, a switching valve, a detection pipeline and a control device, wherein the oil tank is used for storing hydraulic oil, the servo motor is in driving connection with the hydraulic pump, a liquid inlet end of the hydraulic pump is connected with the oil tank, a liquid outlet end of the hydraulic pump is sequentially connected with the flow detection device, the switching valve and the detection pipeline, and the detection pipeline is used for being connected with an electromagnetic valve to be tested to perform electromagnetic valve test; the control device is connected with the servo motor and used for controlling the working state of the servo motor.
2. The solenoid valve test oil supply system of claim 1, further comprising:
the filter is arranged between the liquid outlet end of the hydraulic pump and the flow detection device and is used for cleaning hydraulic oil from the hydraulic pump.
3. The solenoid valve test oil supply system of claim 2, further comprising:
the pressure detection device is arranged between the liquid outlet end of the hydraulic pump and the switch valve and is used for detecting the system pressure.
4. The solenoid valve test oil supply system of claim 3, further comprising:
the proportional throttle valve is arranged between the liquid outlet end of the hydraulic pump and the switch valve and is used for adjusting the flow of the system.
5. The solenoid valve test oil supply system of claim 4, further comprising:
the valve body is arranged on the oil tank, the valve body is connected with the liquid outlet end of the hydraulic pump through an oil pipe, and the flow detection device, the switching valve, the detection pipeline, the filter, the pressure detection device and the proportional throttle valve are respectively arranged on the valve body.
6. The solenoid valve test oil supply system of claim 5,
the detection pipeline comprises a fixed section and a bending section, wherein the fixed section and the bending section are arranged at an angle, one end of the fixed section, which is far away from the bending section, is connected with the valve body, and one end of the bending section, which is far away from the fixed section, is used for being connected with an electromagnetic valve to be detected.
7. The solenoid valve test oil supply system of claim 6, further comprising:
the test bench is arranged at the top of the oil tank or at one side of the valve body, and is positioned at the lower side of the bending section and used for placing the electromagnetic valve to be tested.
8. The solenoid valve test oil supply system of claim 5,
the control device is connected with the flow detection device and used for controlling the working state of the flow detection device;
and/or the control device is connected with the switch valve and used for controlling the working state of the switch valve;
and/or the control device is connected with the pressure detection device and used for controlling the working state of the pressure detection device;
and/or the control device is connected with the proportional throttle valve and used for controlling the working state of the proportional throttle valve.
9. The solenoid valve test oil supply system of claim 1, further comprising:
the oil return filter is arranged on the oil tank and is used for being connected with an oil return way to filter the oil return;
and/or, an overflow valve is arranged at the liquid outlet end of the hydraulic pump;
and/or a liquid level gauge, which is arranged on the oil tank and is used for observing the liquid level height of the oil tank;
and/or the temperature control device is connected with the oil tank and used for controlling the temperature of the hydraulic oil in the oil tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321461837.7U CN220037623U (en) | 2023-06-09 | 2023-06-09 | Electromagnetic valve testing oil source system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321461837.7U CN220037623U (en) | 2023-06-09 | 2023-06-09 | Electromagnetic valve testing oil source system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220037623U true CN220037623U (en) | 2023-11-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321461837.7U Active CN220037623U (en) | 2023-06-09 | 2023-06-09 | Electromagnetic valve testing oil source system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220037623U (en) |
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2023
- 2023-06-09 CN CN202321461837.7U patent/CN220037623U/en active Active
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