CN207701907U - A kind of digital voltage power for solenoid valve detection - Google Patents
A kind of digital voltage power for solenoid valve detection Download PDFInfo
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- CN207701907U CN207701907U CN201721767078.1U CN201721767078U CN207701907U CN 207701907 U CN207701907 U CN 207701907U CN 201721767078 U CN201721767078 U CN 201721767078U CN 207701907 U CN207701907 U CN 207701907U
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- output
- output voltage
- controller
- solenoid valve
- resistance
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Abstract
The utility model discloses a kind of digital voltage powers for solenoid valve detection, including AC/DC isolation rectification circuits, output voltage controller and the Partial Pressure Controller for being connected to output voltage controller output end；Wherein, AC/DC isolation rectification circuit input ends connect alternating current, output connection output voltage controller, the output end of output voltage controller connects solenoid valve to be detected, Partial Pressure Controller is connected to the output end of output voltage controller, including multiple resistance being connected in series with, and first and other resistance except the last one are arranged with a switch in parallel in concatenated resistance, the output of first termination output voltage controller of first resistance, the first end ground connection of last resistor.By the utility model, the switching of different output voltage values can be realized by the combinations of states of switch, ensure that voltage-type electromagnetism electrically-controlled valve is not zero to power supply switching voltage course not power down output, and export the requirement within the scope of assigned voltage.
Description
Technical field
The utility model is related to electrical testing fields, more particularly to a kind of digital voltage power for solenoid valve detection.
Background technology
It in national environmental protection energy-saving and emission-reduction, reduces under the policy requirement that PM2.5 is discharged, the machinery that script general-utility car uses
Airconditioning control valve will gradually be replaced by electric-controlled type airconditioning control valve.At present in technology, electric-controlled type solenoid valve is in production and quality inspection
When, it is difficult to the actuation strength of high-precision control electromagnet component, it is also difficult to the accurate performance number for measuring product.The prior art
In, the conventional means of power supply are powered with advanced DCPS digitally controlled power source to electric-controlled type airconditioning control valve when being detected to solenoid valve,
By the switching of numerical control voltage, to different performance points, measures or calibrate.But this mode, switch speed is slow, scene
Second test is also extremely inconvenient.
Utility model content
The utility model master provides a kind of numerical control electricity for solenoid valve detection to solve the shortcoming of existing issue
Potential source.
In order to solve the above technical problems, the technical solution that the utility model uses is：It provides a kind of for solenoid valve
The digital voltage power of detection, which is characterized in that including AC/DC isolation rectification circuits, output voltage controller and be connected to output
The Partial Pressure Controller of voltage controller output end；Wherein, AC/DC isolation rectifications circuit input end connects alternating current, and output connection is defeated
Go out voltage controller, the output end of output voltage controller connects solenoid valve to be detected, and Partial Pressure Controller is connected to output electricity
The output end of pressure controller, including multiple resistance being connected in series with, and in concatenated resistance first and the last one except
Other resistance are arranged with a switch in parallel, the output of the first termination output voltage controller of first resistance, the last one
The first end of resistance is grounded.
Wherein, the switch of Partial Pressure Controller is the switch of isolated form or non-isolation type.
Wherein, further include a feedback control loop, feedback control loop is connected to output voltage controller and partial pressure controls
The second end of the ground resistance of device.
Wherein, output voltage controller includes a DC/DC circuits, processor and display screen, feedback control loop feedback electricity
Pressure value is sent to processor and carries out calculation processing, the output voltage values of the output end of output voltage controller is calculated, and will
Output voltage values are shown on a display screen.
Wherein, Partial Pressure Controller is arrived in processor transmission instruction, so that one or several places in the switch of Partial Pressure Controller
In the state of closure or openness.
Wherein, DC/DC circuits include LM2596 chips.
It is different from the prior art, the digital voltage power for solenoid valve detection of the utility model includes that AC/DC isolation is whole
Current circuit, output voltage controller and the Partial Pressure Controller for being connected to output voltage controller output end；Wherein, AC/DC is isolated
Rectification circuit input end connects alternating current, and the output end connection of output connection output voltage controller, output voltage controller is to be checked
The solenoid valve of survey, Partial Pressure Controller are connected to the output end of output voltage controller, including multiple resistance being connected in series with, and go here and there
First and other resistance except the last one are arranged with a switch in parallel in the resistance of connection, the first end of first resistance
Connect the output of output voltage controller, the first end ground connection of last resistor.By the utility model, switch can be passed through
Combinations of states realizes the switching of different output voltage values, ensures voltage-type electromagnetism electrically-controlled valve to power supply switching voltage course not
Power down output is not zero, and exports the requirement within the scope of assigned voltage.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of digital voltage power for solenoid valve detection provided by the utility model；
Fig. 2 is a kind of basic circuit structure signal of digital voltage power for solenoid valve detection provided by the utility model
Figure；
Fig. 3 is a kind of connection of the DC/DC circuits of digital voltage power for solenoid valve detection provided by the utility model
Schematic diagram.
Specific implementation mode
Further more detailed description is made to the technical solution of the utility model With reference to embodiment.Obviously,
Described embodiment is only a part of the embodiment of the utility model, instead of all the embodiments.It is new based on this practicality
Embodiment in type, the every other reality that those of ordinary skill in the art are obtained under the premise of not making creative work
Example is applied, the range of the utility model protection should be all belonged to.
Refering to fig. 1-2, Fig. 1 is that a kind of structure of digital voltage power for solenoid valve detection provided by the utility model is shown
It is intended to；Fig. 2 is a kind of basic circuit structure schematic diagram of digital voltage power for solenoid valve detection provided by the utility model.
Solenoid valve involved by the utility model can be disposable type, be suitable for the solenoid valve of different scenes.It is detected for solenoid valve
Digital voltage power 1 include AC/DC isolation rectifications circuit 10, output voltage controller 20 and to be connected to output voltage controller defeated
The Partial Pressure Controller 30 of outlet 21；Wherein, 10 input terminal of AC/DC isolation rectifications circuit connects alternating current, output connection output voltage
The output end 21 of controller 20, output voltage controller 20 connects solenoid valve to be detected（It is not shown）, the company of Partial Pressure Controller 30
It is connected to the output end 21 of output voltage controller, including multiple resistance being connected in series with, and first and most in concatenated resistance
Other resistance except the latter are arranged with a switch in parallel, and the first of first resistance terminates the defeated of output voltage controller
Outlet 21, the first end ground connection of last resistor.
Preferably, the switch of Partial Pressure Controller 30 is the switch of isolated form or non-isolation type.
Preferably, further include a feedback control loop 40, feedback control loop 40 is connected to 20 He of output voltage controller
The second end of the ground resistance of Partial Pressure Controller 30.
Preferably, output voltage controller 20 includes a DC/DC circuits 22, processor 23 and display screen 24, feedback control
40 feedback voltage level of circuit is sent to processor 23 and carries out calculation processing, the output end 21 of output voltage controller is calculated
Output voltage values, and output voltage values are shown on the display 24.
Preferably, Partial Pressure Controller 3 is arrived in the transmission of processor 23 instruction so that one in the switch of Partial Pressure Controller 3 or
Several states in closure or openness.
Exemplary, 10 input terminal of AC/DC isolation rectifications circuit connects alternating current, for converting alternating current to direct current.AC/
DC isolation rectifications circuit 10 converts alternating current to the direct current of specified amount, such as in the embodiment of the utility model, warp
After AC/DC isolation rectifications circuit 10 is converted, the voltage value of output is 24V.After 10 output voltage of AC/DC isolation rectifications circuit, into
One step is input to the DC/DC circuits 22 of output voltage controller 20.
Fig. 3 show the utility model is related to DC/DC circuits structural schematic diagram.The DC/ used in present embodiment
DC circuits are LM2596 chip circuits.In the DC/DC circuits, C1, C4 are filter capacitor, and C2, C3 are electric capacity of voltage regulation；D41 is
Fly-wheel diode, L1 are energy storage power inductance.
The output end 21 of output voltage controller 20 connects solenoid valve to be detected（It is not shown）, and connect Partial Pressure Controller
30, by the effect of Partial Pressure Controller 30, change the voltage output value of 20 output end 21 of output voltage controller.Specifically, point
Pressure controller 30 is connected by multiple resistance and is formed, and as shown in Fig. 1, Partial Pressure Controller 30 is connected by resistance R0, R1, R2 and R
It is formed, it is defeated to realize different Vout by the combinations of states of K1, K2 by wherein resistance R1 and R2 difference paralleling switch K1 and K2
Go out the switching of voltage value；Moreover, in the transients of switching, Vout output voltage values will not be zero, be at least Vout_
min；It will not be maximum value（Close to input 24V）, or exceed specified maximum voltage Vout_max.
It is exemplary, as K1, K2, all open（It disconnects）When, output voltage Vout is minimum value, value：
Vout_min=（R0/(R1+R2+R)+1）* Vref, wherein Vref are the DC/DC circuits of output voltage controller 20
22 reference voltage.
As K1, K2, all it is closed（It connects）When, output voltage Vout is maximum value, value：
Vout_max=（R0/R+1）*Vref.
When K1 is closed, K2 is disconnected, output voltage Vout is voltage value between, value:
Vout_v1=（R0/(R2+R)+1）*Vref.
When K1 is opened, K2 is closed, output voltage Vout, and voltage value between, value:
Vout_v2=（R0/(R1+R)+1）*Vref.
By the resistance value of change Partial Pressure Controller 30, the voltage value got on the resistance to change Partial Pressure Controller 30,
Pass through calculating, you can determine the voltage value that the output end 21 of output voltage controller 20 exports, that is, be applied to electromagnetism to be detected
Voltage value on valve.Meanwhile a feedback control loop 40 is set, feedback control loop 40 is connected to DC/DC circuits 23 and resistance R
Second end（Resistance R first ends are grounded）, the voltage value that Partial Pressure Controller 30 divides can be fed back to output voltage controller 20,
Pass through calculating, you can obtain the output voltage values of the output end 21 of output voltage controller 20.
By switching the break-make mode of switch K1, K2, a variety of different output voltage values are finally produced.Further,
Multiple resistance for being arranged in parallel switch can be set, by the combination break-make mode of multiple switch, to realize in output voltage control
The voltage value that the output end 21 of device 20 processed exports more different numerical value is used for the test of solenoid valve.
The digital voltage power of the prior art is by controlling resistance ratio to export different voltage values.But it was controlling
Cheng Zhong, during arbitrary switching, the voltage value of feedback control loop feedback is unknown.This will cause Vout defeated
Go out the arbitrary voltage value for being less than Vin.When output voltage Vout is 0 or is close to the maximum value of input, solenoid valve is caused to examine
During survey, it may appear that performance number disturbs, and influences the Calibration of solenoid valve.Even if can not be supported using if stacked switch
Disappear this abnormal output.And in the technical solution of the utility model, switching moment, what Vout was to determine, will not be with
The arbitrary value of machine, effectively prevents the above problem.
It is different from the prior art, the digital voltage power for solenoid valve detection of the utility model includes that AC/DC isolation is whole
Current circuit, output voltage controller and the Partial Pressure Controller for being connected to output voltage controller output end；Wherein, AC/DC is isolated
Rectification circuit input end connects alternating current, and the output end connection of output connection output voltage controller, output voltage controller is to be checked
The solenoid valve of survey, Partial Pressure Controller are connected to the output end of output voltage controller, including multiple resistance being connected in series with, and go here and there
First and other resistance except the last one are arranged with a switch in parallel in the resistance of connection, the first end of first resistance
Connect the output of output voltage controller, the first end ground connection of last resistor.By the utility model, switch can be passed through
Combinations of states realizes the switching of different output voltage values, ensures voltage-type electromagnetism electrically-controlled valve to power supply switching voltage course not
Power down exports the requirement being not zero.
The foregoing is merely the embodiments of the utility model, and it does not limit the scope of the patent of the present invention, all
It is equivalent structure or equivalent flow shift made based on the specification and figures of the utility model, directly or indirectly uses
In other related technical areas, it is equally included in the patent within the scope of the utility model.
Claims (6)
1. a kind of digital voltage power for solenoid valve detection, which is characterized in that including AC/DC isolation rectification circuits, output electricity
Pressure controller and the Partial Pressure Controller for being connected to the output voltage controller output end；
Wherein, the AC/DC isolation rectifications circuit input end connects alternating current, and output connects the output voltage controller, described
The output end of output voltage controller connects solenoid valve to be detected, and the Partial Pressure Controller is connected to the output voltage control
The output end of device, including multiple resistance being connected in series with, and first and other electricity except the last one in concatenated resistance
Resistance is arranged with a switch in parallel, the output of the first termination output voltage controller of first resistance, last resistor
First end is grounded.
2. the digital voltage power according to claim 1 for solenoid valve detection, which is characterized in that the Partial Pressure Controller
Switch be isolated form or non-isolation type switch.
3. the digital voltage power according to claim 1 for solenoid valve detection, which is characterized in that further include a feedback control
Circuit processed, the feedback control loop are connected to the second of the ground resistance of the output voltage controller and Partial Pressure Controller
End.
4. the digital voltage power according to claim 3 for solenoid valve detection, which is characterized in that the output voltage control
Device processed includes a DC/DC circuits, processor and display screen, and the feedback control loop feedback voltage level is sent to the processing
Device carries out calculation processing, is calculated the output voltage values of the output end of the output voltage controller, and by output voltage values
It shows on the display screen.
5. the digital voltage power according to claim 4 for solenoid valve detection, which is characterized in that the processor transmission
The Partial Pressure Controller is instructed, so that one or several states in closure or openness in the switch of Partial Pressure Controller.
6. the digital voltage power according to claim 4 for solenoid valve detection, which is characterized in that the DC/DC circuits
Including LM2596 chips.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721767078.1U CN207701907U (en) | 2017-12-18 | 2017-12-18 | A kind of digital voltage power for solenoid valve detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721767078.1U CN207701907U (en) | 2017-12-18 | 2017-12-18 | A kind of digital voltage power for solenoid valve detection |
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| Publication Number | Publication Date |
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| CN207701907U true CN207701907U (en) | 2018-08-07 |
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| CN201721767078.1U Active CN207701907U (en) | 2017-12-18 | 2017-12-18 | A kind of digital voltage power for solenoid valve detection |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114294465A (en) * | 2021-12-31 | 2022-04-08 | 富奥汽车零部件股份有限公司 | Pressure regulating control device and pressure regulating control method of electromagnetic valve |
| CN114294465B (en) * | 2021-12-31 | 2024-04-30 | 富奥汽车零部件股份有限公司 | Pressure regulating control device and pressure regulating control method for electromagnetic valve |
-
2017
- 2017-12-18 CN CN201721767078.1U patent/CN207701907U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114294465A (en) * | 2021-12-31 | 2022-04-08 | 富奥汽车零部件股份有限公司 | Pressure regulating control device and pressure regulating control method of electromagnetic valve |
| CN114294465B (en) * | 2021-12-31 | 2024-04-30 | 富奥汽车零部件股份有限公司 | Pressure regulating control device and pressure regulating control method for electromagnetic valve |
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