CN104090243A - Voltage stabilizer test fixture - Google Patents
Voltage stabilizer test fixture Download PDFInfo
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- CN104090243A CN104090243A CN201410313333.XA CN201410313333A CN104090243A CN 104090243 A CN104090243 A CN 104090243A CN 201410313333 A CN201410313333 A CN 201410313333A CN 104090243 A CN104090243 A CN 104090243A
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- 239000003381 stabilizer Substances 0.000 title claims abstract description 93
- 238000012360 testing method Methods 0.000 title claims abstract description 75
- 238000000034 method Methods 0.000 claims abstract description 24
- 230000001681 protective effect Effects 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 abstract 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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Abstract
The invention provides a voltage stabilizer test tool, which comprises a voltage change-over switch, a load change-over switch and an IC clamp, wherein the voltage change-over switch is connected with the load change-over switch; the voltage conversion switch is connected between the plurality of power supplies and the IC fixture and used for switching the plurality of power supplies in the test process; the load transfer switch is connected between the plurality of loads and the IC fixture and used for switching the plurality of loads in the test process; the IC fixture is used for placing a voltage stabilizer to be tested. According to the voltage stabilizer test tool, during testing, the voltage stabilizer to be tested is only required to be placed in the IC clamp, and the test can be completed by operating the voltage change-over switch and the load change-over switch, so that the complex wiring and dismounting procedures in the test process are avoided, the test process is simplified, and the test efficiency is greatly improved.
Description
Technical field
The present invention relates to test fixture technical field, particularly relate to a kind of voltage stabilizer test fixture.
Background technology
Generally, the method that the maximum input voltage of voltage stabilizer and the test of maximum load conventionally adopt is, first dead load is welded on to the output terminal of voltage stabilizer, then with wire, the input end of voltage stabilizer is connected to power supply.First test voltage stabilizer in low-voltage, the serviceability in the situation of little load, is converted to high voltage by power supply after being completed.After having tested high voltage, load is replaced by high capacity, tests low load after testing high capacity again, in the middle of this, all Renewal process all need dismounting, after once having tested, remove again, and complex steps, efficiency is low.
Summary of the invention
In view of the present situation of prior art, the object of the present invention is to provide a kind of voltage stabilizer test fixture, simplified the process of voltage stabilizer test, improved testing efficiency.
For achieving the above object, the present invention adopts following technical scheme:
A voltage stabilizer test fixture, comprises voltage change-over switch, load transfer switch and IC fixture;
Described voltage change-over switch is connected between a plurality of power supplys and described IC fixture, for the switching between a plurality of power supplys of test process;
Described load transfer switch is connected between a plurality of loads and described IC fixture, for the switching between a plurality of loads of test process; Described IC fixture is used for placing voltage stabilizer to be tested.
In an embodiment, the quantity of described power supply is two, is respectively the first power supply and second source therein; The voltage of described the first power supply is higher than the voltage of described second source.
In an embodiment, the quantity of described load is two therein, is respectively the first load and the second load, and the power of described the first load is greater than the power of described the second load.
In an embodiment, described voltage change-over switch is double-point double-throw switch therein, comprises two moving plates and four stills; Two moving plates are respectively the first moving plate and the second moving plate, and four stills are respectively the first still, the second still, the 3rd still and the 4th still; Described the first still, described the first moving plate and described the 3rd still form a single-pole double-throw switch (SPDT), and described the second still, described the second moving plate and described the 4th still form a single-pole double-throw switch (SPDT);
Described the first moving plate is connected to the input end of described voltage stabilizer to be tested, and described the second moving plate is connected to the earth terminal of described voltage stabilizer to be tested; Described the first still is connected to the positive pole of described the first power supply, and described the second still is connected to the negative pole of described the first power supply; Described the 3rd still is connected to the positive pole of described second source, and described the 4th still is connected to the negative pole of described second source.
In an embodiment, described voltage change-over switch is dpdt double-pole double-throw (DPDT) toggle switch therein.
In an embodiment, described load transfer switch is single-pole double-throw switch (SPDT) therein, comprises a moving plate and two stills, and two described stills are respectively the 5th still and the 6th still;
Described moving plate is connected to the output terminal of described voltage stabilizer to be tested, described the 5th still is connected to the first end of described the first load, described the 6th still is connected to the first end of described the second load, after the second end of described the first load is connected with the second end of described the second load as the output terminal of described voltage stabilizer test fixture.
In an embodiment, described load transfer switch is single-pole double-throw (SPDT) toggle switch therein.
Therein in an embodiment, on described IC fixture, be provided with first contact corresponding with the input end of described voltage stabilizer to be tested, with corresponding the second contact of the output terminal of described voltage stabilizer to be tested and three contact corresponding with the earth terminal of described voltage stabilizer to be tested;
The first moving plate of described voltage change-over switch is connected to the first contact of described IC fixture, and the second moving plate of described voltage change-over switch is connected to the 3rd contact of described IC fixture, and the moving plate of described load transfer switch is connected to the second contact of described IC fixture.
In an embodiment, described IC fixture adopts protective design to avoid insterting by mistake therein.
In an embodiment, also comprise box body therein, on described box body, be provided with first through hole corresponding with described IC fixture, second through hole corresponding with described load transfer switch and the corresponding third through-hole of described voltage change-over switch;
Described IC fixture embeds in described the first through hole; Described voltage change-over switch is partially submerged in described box body, and described load transfer switch sections embeds in described box body.
The invention has the beneficial effects as follows:
Voltage stabilizer test fixture of the present invention, by being set, voltage change-over switch realizes the switching between a plurality of power supplys, by being set, load transfer switch realizes the switching between a plurality of loads, by IC fixture being set for placing voltage stabilizer to be tested, when testing, only voltage stabilizer to be tested need to be placed in IC fixture, by operating voltage switch and load transfer switch, can complete test, wiring loaded down with trivial details in test process and the operation of dismounting have been avoided, the process of having simplified test, has improved testing efficiency greatly.
Accompanying drawing explanation
Fig. 1 is the structural drawing of voltage stabilizer test fixture one embodiment of the present invention;
Fig. 2 is the circuit theory diagrams of voltage stabilizer test fixture one embodiment of the present invention.
Embodiment
In order to make technical scheme of the present invention clearer, below in conjunction with accompanying drawing, voltage stabilizer test fixture of the present invention is described in further detail.Should be appreciated that specific embodiment described herein is only in order to explain that the present invention is not intended to limit the present invention.
Referring to Fig. 1 and Fig. 2, as shown in Figure 1, the structural drawing of voltage stabilizer test fixture one embodiment of the present invention, for the input voltage of voltage stabilizer and the limit test of output load, comprise box body 7, voltage change-over switch 1, load transfer switch 3 and IC (Integrated circuit, integrated circuit) fixture 6.Wherein, voltage change-over switch 1 is connected between a plurality of power supplys and IC fixture 6, for the switching between a plurality of power supplys of test process.Load transfer switch 3 is connected between a plurality of loads and IC fixture 6, and for the switching between a plurality of loads of test process, IC fixture 6 is for placing voltage stabilizer 2 to be tested.Like this, in the process of test, only voltage stabilizer to be tested need to be placed in IC fixture 6, by operating voltage switch 1, realize the switching between a plurality of voltage, test the working condition of voltage stabilizer 2 to be tested when input voltage changes; By service load switch 3, realize the switching between a plurality of loads, test the working condition of voltage stabilizer 2 to be tested when bearing power changes.
By being set, voltage change-over switch realizes the switching between a plurality of power supplys, by being set, load transfer switch realizes the switching between a plurality of loads, by IC fixture being set for placing voltage stabilizer to be tested, when testing, only voltage stabilizer to be tested need to be placed in IC fixture, by operating voltage switch and load transfer switch, can complete test, avoid wiring loaded down with trivial details in test process and the operation of dismounting, the process of having simplified test, has improved testing efficiency greatly.
As a kind of embodiment, the quantity of power supply is two, be respectively the first power supply 41 and second source 42, and the voltage of the first power supply 41 is higher than the voltage of second source 42, can test respectively the working condition of voltage stabilizer to be tested under high voltage and low voltage condition like this.More preferably, the quantity of load is two, be respectively the first load 51 and the second load 52, and the power of the first load 51 is greater than the power of the second load 52, can tests respectively like this working condition in the less situation of power of voltage stabilizer to be tested and load large at the power of load.In other embodiments, the quantity of power supply and the quantity of load can also be more than two.
More preferably, voltage change-over switch 1 is double-point double-throw switch, comprises two moving plates and four stills; Two moving plates are respectively the first moving plate b and the second moving plate e, and four stills are respectively the first still a, the second still f, the 3rd still c and the 4th still d; The first still a of voltage change-over switch 1, the first moving plate b and the 3rd still c form a single-pole double-throw switch (SPDT), and the second still f, the second moving plate e become a single-pole double-throw switch (SPDT) with the 4th still D-shaped, and the first moving plate b and the second moving plate e move simultaneously.
The first moving plate b is connected to the input end of voltage stabilizer 2 to be tested, and the second moving plate e is connected to the earth terminal of voltage stabilizer 2 to be tested; The first still a is connected to the positive pole of the first power supply 41, and the second still f is connected to the negative pole of the first power supply 41.The 3rd still c is connected to the positive pole of second source 42, and the 4th still d is connected to the negative pole of second source 42.
When the moving plate of voltage change-over switch 1 is allocated to the first still and the second still, the input end of voltage stabilizer 2 to be tested is connected to the positive pole of the first power supply 41, the earth terminal of voltage stabilizer 2 to be measured is connected to the negative pole of the first power supply 41, now the first power supply 41, as the input voltage of voltage stabilizer 2 to be tested, can be tested the working condition of voltage stabilizer to be tested when input voltage is higher.When the moving plate of voltage change-over switch 1 is allocated to the 3rd still c and the 4th still d, the input end of voltage stabilizer 2 to be tested is connected to the positive pole of second source 42, the earth terminal of voltage stabilizer 2 to be tested is connected to the negative pole of second source 42, now, second source 42, as the input voltage of voltage stabilizer 2 to be tested, can be tested the working condition of voltage stabilizer to be tested when input voltage is lower.Preferably, voltage change-over switch 1 is dpdt double-pole double-throw (DPDT) toggle switch, has improved like this convenience using.
More preferably, load transfer switch 3 is single-pole double-throw switch (SPDT), comprises a moving plate a1 and two stills, and two stills are respectively the 5th still b1 and the 6th still c1.Wherein, the moving plate a1 of load transfer switch 3 is connected to the output terminal of voltage stabilizer 2 to be tested, the 5th still b1 of load transfer switch 3 is connected to the first end of the first load 51, the 6th still c1 of load transfer switch 3 is connected to the first end of the second load 52, after the second end of the second end of the first load 51 and the second load 52 is connected as the output terminal of voltage stabilizer test fixture.In the process of test, the situation of output terminal output voltage that can be by voltage stabilizer test fixture judges whether voltage stabilizer breaks down.
When the moving plate a1 of load transfer switch 3 is allocated to the 5th still b1, the output terminal of voltage stabilizer 2 to be tested is connected with the first load 51, now the first load 51 is as the output load of voltage stabilizer 2 to be tested, can test the working condition of voltage stabilizer 2 to be tested when the power of load is larger.When the moving plate of load transfer switch 3 is allocated to the 6th still c1, the output terminal of voltage stabilizer 2 to be tested is connected with the second load 52, now the second load 52 is as the output load of voltage stabilizer 2 to be tested, can test voltage stabilizer 2 to be tested in the power of load working condition hour.Preferably, load transfer switch 3 is single-pole double-throw (SPDT) toggle switch, has improved like this convenience using.
More preferably, on IC fixture 6, be provided with first contact corresponding with the input end of voltage stabilizer 2 to be tested, with corresponding the second contact of the output terminal of voltage stabilizer 2 to be tested and three contact corresponding with the earth terminal of voltage stabilizer 2 to be tested.
The first moving plate b and the second moving plate e of the moving plate a1 of load transfer switch 3, voltage change-over switch 1 are all connected to IC fixture 6.Wherein, the first moving plate b of voltage change-over switch 1 is connected to the first contact of IC fixture 6, and the second moving plate e of voltage change-over switch 1 is connected to the 3rd contact of IC fixture 6, and the moving plate a1 of load transfer switch 3 is connected to the second contact of IC fixture 6.Like this, in the process of test, only voltage stabilizer to be tested need be placed in IC fixture, by operating voltage switch, realize being connected of voltage stabilizer to be tested and different electrical power, by service load switch, realizing voltage stabilizer to be tested is connected with unequally loaded, do not need to carry out connection and the dismounting between voltage stabilizer to be tested and voltage change-over switch and load transfer switch, improved testing efficiency.
More preferably, in the present embodiment, IC fixture 6 adopts protective design to avoid insterting by mistake, has avoided like this in test process, and voltage stabilizer 2 anti-plugs to be tested or the damage of plugging in the voltage stabilizer to be tested partially causing, guaranteed the accuracy of testing.It should be understood that the voltage stabilizer to be tested in the present embodiment is three terminal integrated voltage stabilizer.In other embodiments, voltage stabilizer to be tested can also be the voltage stabilizer of other types, and now, IC fixture should match with voltage stabilizer to be tested.
As a kind of embodiment, on box body 7, be provided with first through hole corresponding with IC fixture 6, the third through-hole that second through hole corresponding with load transfer switch 3 and voltage change-over switch 1 are corresponding; IC fixture 6 embeds in the first through hole; Voltage change-over switch 1 is partially submerged in described box body, and load transfer switch 3 is partially submerged in described box body.
Voltage stabilizer test fixture of the present invention, by being set, voltage change-over switch realizes the switching between a plurality of power supplys, by being set, load transfer switch realizes the switching between a plurality of loads, by IC fixture being set for placing voltage stabilizer to be tested, when testing, only voltage stabilizer to be tested need to be placed in IC fixture, by operating voltage switch and load transfer switch, can complete test, wiring loaded down with trivial details in test process and the operation of dismounting have been avoided, the process of having simplified test, has improved testing efficiency greatly.
The above embodiment has only expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (10)
1. a voltage stabilizer test fixture, is characterized in that:
Comprise voltage change-over switch, load transfer switch and IC fixture;
Described voltage change-over switch is connected between a plurality of power supplys and described IC fixture, for the switching between a plurality of power supplys of test process;
Described load transfer switch is connected between a plurality of loads and described IC fixture, for the switching between a plurality of loads of test process; Described IC fixture is used for placing voltage stabilizer to be tested.
2. voltage stabilizer test fixture according to claim 1, is characterized in that:
The quantity of described power supply is two, is respectively the first power supply and second source; The voltage of described the first power supply is higher than the voltage of described second source.
3. voltage stabilizer test fixture according to claim 1, is characterized in that:
The quantity of described load is two, is respectively the first load and the second load, and the power of described the first load is greater than the power of described the second load.
4. voltage stabilizer test fixture according to claim 2, is characterized in that:
Described voltage change-over switch is double-point double-throw switch, comprises two moving plates and four stills; Two moving plates are respectively the first moving plate and the second moving plate, and four stills are respectively the first still, the second still, the 3rd still and the 4th still; Described the first still, described the first moving plate and described the 3rd still form a single-pole double-throw switch (SPDT), and described the second still, described the second moving plate and described the 4th still form a single-pole double-throw switch (SPDT);
Described the first moving plate is connected to the input end of described voltage stabilizer to be tested, and described the second moving plate is connected to the earth terminal of described voltage stabilizer to be tested; Described the first still is connected to the positive pole of described the first power supply, and described the second still is connected to the negative pole of described the first power supply; Described the 3rd still is connected to the positive pole of described second source, and described the 4th still is connected to the negative pole of described second source.
5. voltage stabilizer test fixture according to claim 4, is characterized in that:
Described voltage change-over switch is dpdt double-pole double-throw (DPDT) toggle switch.
6. voltage stabilizer test fixture according to claim 4, is characterized in that:
Described load transfer switch is single-pole double-throw switch (SPDT), comprises a moving plate and two stills, and two described stills are respectively the 5th still and the 6th still;
Described moving plate is connected to the output terminal of described voltage stabilizer to be tested, described the 5th still is connected to the first end of described the first load, described the 6th still is connected to the first end of described the second load, after the second end of described the first load is connected with the second end of described the second load as the output terminal of described voltage stabilizer test fixture.
7. voltage stabilizer test fixture according to claim 6, is characterized in that:
Described load transfer switch is single-pole double-throw (SPDT) toggle switch.
8. voltage stabilizer test fixture according to claim 6, is characterized in that:
On described IC fixture, be provided with first contact corresponding with the input end of described voltage stabilizer to be tested, with corresponding the second contact of the output terminal of described voltage stabilizer to be tested and three contact corresponding with the earth terminal of described voltage stabilizer to be tested;
The first moving plate of described voltage change-over switch is connected to the first contact of described IC fixture, and the second moving plate of described voltage change-over switch is connected to the 3rd contact of described IC fixture, and the moving plate of described load transfer switch is connected to the second contact of described IC fixture.
9. voltage stabilizer test fixture according to claim 8, is characterized in that:
Described IC fixture adopts protective design to avoid insterting by mistake.
10. voltage stabilizer test fixture according to claim 9, is characterized in that:
Also comprise box body, on described box body, be provided with first through hole corresponding with described IC fixture, second through hole corresponding with described load transfer switch and the corresponding third through-hole of described voltage change-over switch;
Described IC fixture embeds in described the first through hole; Described voltage change-over switch is partially submerged in described box body, and described load transfer switch sections embeds in described box body.
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CN106771986A (en) * | 2017-03-04 | 2017-05-31 | 三峡电力职业学院 | A kind of Power Electronic Circuit automatic fault diagnosis device |
CN108469583A (en) * | 2018-05-28 | 2018-08-31 | 格力电器(郑州)有限公司 | ICT tester |
CN115097251A (en) * | 2022-08-25 | 2022-09-23 | 深圳市首航新能源股份有限公司 | Test system and method, control module and readable storage medium |
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