CN214795167U - Electromagnetic valve pilot head measuring device - Google Patents
Electromagnetic valve pilot head measuring device Download PDFInfo
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- CN214795167U CN214795167U CN202120902772.XU CN202120902772U CN214795167U CN 214795167 U CN214795167 U CN 214795167U CN 202120902772 U CN202120902772 U CN 202120902772U CN 214795167 U CN214795167 U CN 214795167U
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Abstract
The utility model relates to a solenoid valve measuring device technical field specifically is a solenoid valve guide head measuring device, include: the pilot head force measuring device comprises a mounting base, a precise pressure regulating valve, and a cylinder, a universal floating joint and a pilot head assembly which are sequentially arranged on the mounting base; two ends of the universal floating joint are respectively used for connecting an extension bar of the cylinder and a movable iron core on the pilot head assembly, and the distance between the cylinder and the pilot head assembly can be adjusted through the mounting base; the induction control device comprises an electromagnetic valve tester, the electromagnetic valve tester is used for controlling an electromagnetic driving device on the pilot head assembly, and the precise pressure regulating valve is used for regulating the pressure of gas entering the cylinder so as to control the pulling force of the cylinder on the universal floating joint; the utility model discloses can satisfy the detection to different guide's head subassemblies to simulation operating condition provides the most powerful guarantee for the engineer designs out the best solenoid valve.
Description
Technical Field
The utility model relates to a solenoid valve measuring device technical field, especially a solenoid valve guide head measuring device.
Background
The solenoid valve pilot head is the core component of whole solenoid valve for opening and closing of control solenoid valve, and in prior art, the pilot head subassembly that blindly produced according to experience in the design stage often can appear, and solenoid valve coil works for a long time and burns the coil, and the iron core spring force is too strong, and solenoid valve design pressure is unsatisfactory and so on phenomenon. The method has the advantages that various troubles are caused to designers, the sample plate is modified once and again, and is repeatedly manufactured once and again, so that the manufacturing time is prolonged, the manufacturing cost is greatly increased, great inconvenience is brought to the development and design of new products, and the final effect is not obvious.
The invention discloses a preparation method of a solenoid valve pilot head and a movable iron core sealing assembly thereof, which comprises a spacer bush, and a static iron core and a movable iron core which are arranged in the spacer bush, and is characterized in that: holes are formed in the front end face and the rear end face of the movable iron core, and rubber sealing cores are formed in the holes through a filling mode by a vulcanization method. The structure of the movable iron core is improved, holes are formed in the front end face and the rear end face of the movable iron core, and a rubber sealing core is formed in the holes through a filling method; the utility model discloses a method can't realize the measurement to guide's first electromagnetic force size, because the size of electromagnetic force directly influences solenoid valve operating pressure's size again, consequently, designs a section and can supply the designer to simulate operating condition in design earlier stage, reachs the required suction of solenoid valve, comes rational distribution magnetic material, data such as spring force, coil power. Provides the most powerful guarantee for the lifting engineer to design the best electromagnetic valve
SUMMERY OF THE UTILITY MODEL
First, technical problem to be solved
The utility model discloses an above-mentioned defect to prior art exists, specially propose a first measuring device of solenoid valve guide and measuring method, solved prior art, the first design cycle of solenoid valve guide is long, problem that the design cost is high.
Second, technical scheme
In order to solve the technical problem, the utility model provides a solenoid valve guide head measuring device, include: the pilot head force measuring device comprises a mounting base, a precise pressure regulating valve, and a cylinder, a universal floating joint and a pilot head assembly which are sequentially arranged on the mounting base;
two ends of the universal floating joint are respectively used for connecting an extension bar of the cylinder and a movable iron core on the pilot head assembly, and the distance between the cylinder and the pilot head assembly can be adjusted through the mounting base;
the induction control device comprises an electromagnetic valve tester, the electromagnetic valve tester is used for controlling an electromagnetic driving device on the pilot head assembly, and the precise pressure regulating valve is used for regulating the pressure of gas entering the cylinder so as to control the pulling force of the cylinder on the universal floating joint;
the induction control device also comprises a pressure sensor for detecting the gas pressure, and the pressure value of the gas entering the cylinder is measured by the pressure sensor.
The pilot head force measuring device adopts an air compressor as an air source, and the precision pressure regulating valve is communicated with the air compressor, the air cylinder and the electromagnetic valve tester through a three-way joint.
Wherein, the installation base includes first sliding bottom, and first sliding bottom is used for fixed cylinder.
The mounting base comprises a second sliding base, and the second sliding base is used for fixing the pilot head assembly.
And the second sliding base is also provided with a replaceable pilot head base used for fixing the pilot head assembly.
The air cylinder, the universal floating joint and the pilot head assembly are coaxially arranged; the cylinder is a low friction cylinder.
The pilot head assembly comprises a magnetism isolating pipe assembly, a movable iron core, an iron core spring and an electromagnetic coil.
The induction control device further comprises a control part, the control part is in communication connection with the electromagnetic valve tester in a wired or wireless mode, and the control part calculates the material, the spring force and the coil force of the pilot head electromagnetic valve through the electromagnetic force and the gas pressure value measured by the pressure sensor and the electromagnetic valve tester.
Third, beneficial effect
Compared with the prior art, the electromagnetic valve pilot head measuring device of the utility model can meet the detection requirements of different pilot head assemblies through the pilot head force measuring device and the induction control device, thereby simulating the actual working condition, specifically, the non-concentric condition caused by micro-displacement can be adjusted in real time through the arrangement of the universal floating joint, the force measuring error is prevented, and the accurate force measurement is really realized;
through the arrangement of the pilot head base, the test can be conveniently carried out by only replacing the pilot head base when the pilot head assemblies of different types are tested;
calculating how large an electromagnetic coil needs to meet the design requirement of the needed electromagnetic valve in the process of measuring the force; the suction force required by the electromagnetic valve is obtained, the parameters of the magnetic material, the iron core spring, the electromagnetic coil and other components are reasonably distributed, and the most powerful guarantee is provided for engineers to design the optimal electromagnetic valve.
Drawings
Fig. 1 is a schematic structural diagram 1 of the present invention;
fig. 2 is a schematic structural diagram 2 of the present invention;
fig. 3 is a schematic view showing that the electromagnetic force of the electromagnetic coil acting on the movable iron core is greater than the pulling force of the cylinder acting on the extension bar;
fig. 4 is a schematic view showing that the electromagnetic force of the electromagnetic coil acting on the movable iron core is smaller than the pulling force of the cylinder acting on the extension bar;
in the figure: 1 is a pilot head force measuring device; 2 is an induction control device; 3 is a first sliding base; 4 is a second sliding base; 5 is a cylinder; 6 is a pilot head assembly; 7 is a universal floating joint; 8 is a precision pressure regulating valve; 9 is a solenoid valve tester; 10 is a control part; 11 is a pilot head base; 12 is an air compressor; 13 is a pressure sensor; 15 is a magnetism isolating pipe component; 16 is a movable iron core; 17 is an iron core spring; and 18 is an electromagnetic coil.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
Example 1:
the utility model discloses solenoid valve guide head measuring device of embodiment, as shown in fig. 1 and fig. 2, include: the device comprises a pilot head force measuring device 1 and an induction control device 2, wherein the pilot head force measuring device 1 comprises a mounting base, a precise pressure regulating valve 8, a cylinder 5, a universal floating joint 7 and a pilot head assembly 6 which are sequentially arranged on the mounting base, and the cylinder 5, the universal floating joint 7 and the pilot head assembly 6 are coaxially arranged;
two ends of the universal floating joint 7 are respectively used for connecting an extension bar of the air cylinder 5 and a movable iron core 16 on the pilot head assembly 6, and the distance between the air cylinder 5 and the pilot head assembly 6 can be adjusted through the mounting base, specifically, as shown in fig. 1, the pilot head assembly 6 comprises a magnetism isolating pipe assembly 15, a movable iron core 16, an iron core spring 17 and an electromagnetic coil 18, when the electromagnetic coil 18 is electrified to generate a magnetic field, the movable iron core 16 overcomes the elasticity of the iron core spring 17 under the action of the magnetic field and attracts towards a fixed iron core surface in the magnetism isolating pipe assembly 15, and at the moment, the electromagnetic valve is in an open state; when the electromagnetic coil 18 is powered off, the magnetic field disappears, the movable iron core 16 resets under the acting force of the iron core spring 17, and the electromagnetic valve is in a closed state, namely, powered on for attraction and powered off for resetting; when the guide head assembly 6 is electrified to generate magnetic force, the movable iron core 16 is displaced rightwards, the movable iron core 16 is separated from the magnetism isolating pipe assembly 15 at the moment to generate micro displacement up and down, left and right, and a universal floating joint 7 is additionally arranged in the middle position at the moment, so that the condition of non-concentricity caused by the micro displacement can be adjusted in real time, the force measurement error is prevented, and accurate force measurement is really realized;
the induction control device 2 comprises an electromagnetic valve tester 9, the electromagnetic valve tester 9 is used for controlling an electromagnetic driving device on the pilot head assembly 6, and the precise pressure regulating valve 8 is used for regulating the pressure of gas entering the cylinder 5, so that the pressure of a gas source can be regulated in real time, and further the tension of the cylinder 5 acting on the universal floating joint 7 is controlled, and the measurement is more convenient; in addition, in order to further realize intellectualization, the induction control device 2 further comprises a pressure sensor 13 for detecting gas pressure, the pressure value of gas entering the air cylinder 5 is measured through the pressure sensor 13, so that the specific pressure value can be known while the gas source pressure is adjusted, further the specific tension value acted on the universal floating joint 7 by the control air cylinder 5 can be obtained, and the electromagnetic valve tester 9 also provides the on-off control function of the electromagnetic coil 18.
In the embodiment, the pilot head force measuring device 1 adopts an air compressor 12 as an air source, the precision pressure regulating valve 8 is communicated with the air compressor 12, the air cylinder 5 and the electromagnetic valve tester 9 through a three-way joint, and the air cylinder 5 is a low-friction air cylinder; specifically, the outlet of the air compressor 12 is connected with the inlet of the precise pressure regulating valve 8, the outlet of the precise pressure regulating valve 8 is connected with the inlet of the low friction cylinder, the low friction cylinder is further provided with an air outlet and is also connected with an external pressure sensor 13 on the electromagnetic valve tester 9, the leading line of the electromagnetic coil 18 on the leading head assembly 6 is electrically connected with the electromagnetic valve tester 9, the induction control device 2 further comprises a control part 10, corresponding control is carried out through the control part 10 when testing is needed, for example, control is carried out through a mobile phone or a flat panel APP, the control part 10 is in communication connection with the electromagnetic valve tester 9 in a wired or wireless mode, and the control part 10 selects iron core springs 17 and electromagnetic coils 18 with different models through the electromagnetic force and gas pressure values measured by the pressure sensor 13 and the electromagnetic valve tester 9 to obtain a final reasonable product, specifically,
F1＝π/4×D2×P×β
F2＝π/4×(D2-d2)×P×β
wherein, F1 is the thrust when the piston rod of the cylinder is pushed out; f2 is the pulling force when the piston rod of the air cylinder is pulled back; d is the inner diameter of the cylinder pipe; d is the diameter of the piston rod; p is the air source pressure; beta is the load factor (beta is about 65% at slow speed and about 30% at fast speed)
In the automatic state, the controller 10 can realize the automatic opening and closing function by setting the number of life times. And the required voltage is set in the controller 10, the electromagnetic force value of the tested pilot head assembly 6 under the required voltage can be accurately read. The utility model discloses can survey electromagnetic attraction can be done the life-span test of leading head again to verify whether leading head still operates normally under long-time operating condition.
The mounting base comprises a first sliding base 3, and the first sliding base 3 is used for fixing the cylinder 5 and the precision pressure regulating valve 8; the installation base includes second sliding base 4, and second sliding base 4 is used for fixed guide head subassembly 6, and specifically, first sliding base 3 and second sliding base 4 all adopt the mode joint of dovetail to install on the installation base, realize slide adjusting to it is fixed through screw or other mode joints, in this embodiment, first sliding base 3 and second sliding base 4 all adopt L shape to set up, and it is firm more reliable to fix.
And the second sliding base 4 is also provided with a replaceable guide head base 11 for fixing the guide head assembly 6, so that the test can be carried out by only replacing the guide head base when different types of guide head assemblies 6 are tested conveniently.
The difference of the pilot head assembly 6, which is a core component, is mainly determined by the quality of the magnetic material in the magnetism isolating pipe assembly 15, the same iron core spring 17, the same electromagnetic coil 18 and the different magnetic materials have different attraction forces, so the magnetic force is greatly influenced. The iron core spring 17 is also very critical, the stronger the spring force is, the better the spring force is, and the best the iron core spring is as long as the valve guide port of the electromagnetic valve can be normally closed in a power-off state; the power of the electromagnetic coil 18 is not larger as well as better, along with the continuous improvement of the automation degree, the remote intelligent control, the PLC programming control and the like all require that the power of the electromagnetic coil is smaller as well as better, and most of the time, one set of control system needs to control a plurality of or dozens of hundreds of electromagnetic valves, so that the electromagnetic coil with high power is completely insufficient, and therefore, the electromagnetic coil with low power and low temperature rise can be suitable. Therefore, with the above arrangement of the present embodiment, it is possible to calculate how large the solenoid coil 18 is needed to meet the design requirement of the required solenoid valve during the force measurement process, rather than blindly matching a large power coil.
Example 2:
a solenoid valve pilot head measuring method, characterized in that the solenoid valve pilot head measuring method is implemented using the solenoid valve pilot head measuring device according to any one of claims 1 to 5;
the measuring method of the pilot head of the electromagnetic valve comprises the following steps:
firstly, opening an air compressor 12, and adjusting the precision pressure regulating valve 8 to the lowest pressure;
as shown in fig. 3 and 4, the electromagnetic valve tester 9 is connected with the control part 10 in a communication way, an alternating current voltage or a direct current voltage is selected, and the power is switched on, at the moment, the electromagnetic force generated by the energization of the electromagnetic coil 18 and acting on the movable iron core 16 is larger than the pulling force of the air cylinder 5 acting on the extension bar;
then continuously adjusting the precision pressure regulating valve 8, gradually increasing the gas pressure at the gas inlet end of the cylinder 5 until the movable iron core 16 starts to generate the phenomenon that the movable iron core cannot be completely attracted and slightly shakes, and at the moment, the electromagnetic force generated by electrifying the electromagnetic coil 18 and acting on the movable iron core 16 is approximately equal to the pulling force of the cylinder 5 acting on the extension bar;
and adjusting the precision pressure regulating valve 8 again, slightly reducing the gas pressure at the gas inlet end of the cylinder 5, so that the movable iron core 16 is in a completely attracted static state, and the pilot head assembly 6 has electromagnetic force with the best adsorption effect.
The initial output pressure of the air compressor 12 was set to 8 bar.
The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (8)
1. A solenoid valve pilot head measuring device, characterized in that, solenoid valve pilot head measuring device includes: the device comprises a pilot head force measuring device (1) and an induction control device (2), wherein the pilot head force measuring device (1) comprises a mounting base, a precise pressure regulating valve (8), a cylinder (5), a universal floating joint (7) and a pilot head assembly (6) which are sequentially arranged on the mounting base;
two ends of the universal floating joint (7) are respectively used for connecting an extension bar of the cylinder (5) and a movable iron core (16) on the pilot head assembly (6), and the distance between the cylinder (5) and the pilot head assembly (6) can be adjusted through the mounting base;
the induction control device (2) comprises an electromagnetic valve tester (9), the electromagnetic valve tester (9) is used for controlling an electromagnetic driving device on the pilot head assembly (6), and the precise pressure regulating valve (8) is used for regulating the pressure of gas entering the air cylinder (5) so as to control the tension of the air cylinder (5) acting on the universal floating joint (7);
the induction control device (2) further comprises a pressure sensor (13) for detecting gas pressure, and the pressure value of gas entering the cylinder (5) is measured through the pressure sensor (13).
2. The electromagnetic valve pilot head measuring device according to claim 1, characterized in that the pilot head force measuring device (1) adopts an air compressor (12) as an air source, and the precision pressure regulating valve (8) is communicated with the air compressor (12), the air cylinder (5) and the electromagnetic valve tester (9) through a tee joint.
3. A solenoid valve pilot head measuring device according to claim 1, characterised in that said mounting base comprises a first sliding base (3), said first sliding base (3) being intended to fix said cylinder (5).
4. A solenoid valve pilot head measuring device according to claim 1, characterised in that said mounting base comprises a second sliding base (4), said second sliding base (4) being intended to fix said pilot head assembly (6).
5. A measuring device of a pilot head of a solenoid valve according to claim 4, characterized in that the second sliding base (4) is further provided with a replaceable pilot head base (11) for fixing the pilot head assembly (6).
6. A solenoid valve pilot head measuring device according to claim 1, characterized in that said cylinder (5), universal floating joint (7) and pilot head assembly (6) are coaxially arranged; the cylinder (5) is a low-friction cylinder.
7. A solenoid valve pilot head measuring device according to claim 1, characterised in that the pilot head assembly (6) further comprises a flux barrier assembly (15), a core spring (17) and a solenoid (18).
8. The pilot head measuring device of the solenoid valve according to claim 1, characterized in that the induction control device (2) further comprises a control part (10), the control part (10) is in communication connection with the solenoid valve tester (9) in a wired or wireless manner, and the control part (10) passes through the pressure sensor (13) and the electromagnetic force and the gas pressure value measured by the solenoid valve tester (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120902772.XU CN214795167U (en) | 2021-04-28 | 2021-04-28 | Electromagnetic valve pilot head measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120902772.XU CN214795167U (en) | 2021-04-28 | 2021-04-28 | Electromagnetic valve pilot head measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214795167U true CN214795167U (en) | 2021-11-19 |
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ID=78690490
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120902772.XU Active CN214795167U (en) | 2021-04-28 | 2021-04-28 | Electromagnetic valve pilot head measuring device |
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| Country | Link |
|---|---|
| CN (1) | CN214795167U (en) |
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2021
- 2021-04-28 CN CN202120902772.XU patent/CN214795167U/en active Active
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