CN203775050U - Adjustable DC regulated power supply with Zener diode test function - Google Patents
Adjustable DC regulated power supply with Zener diode test function Download PDFInfo
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- CN203775050U CN203775050U CN201420144398.1U CN201420144398U CN203775050U CN 203775050 U CN203775050 U CN 203775050U CN 201420144398 U CN201420144398 U CN 201420144398U CN 203775050 U CN203775050 U CN 203775050U
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Abstract
The utility model discloses an adjustable DC regulated power supply with a Zener diode test function, which comprises the components of: a housing, a single-pole double-throw switch K4 and a pointer gauge head. The housing is internally provided with an adjustable DC regulated power supply circuit and a Zener diode testing circuit. The adjustable DC regulated power supply circuit comprises the components of: a transformer T, a rectifying filter circuit, a voltage-adjustable voltage regulating output circuit and a power supply indicating lamp circuit. The transformer T is connected with a commercial power supply through a power switch K1 and a power input line. The Zener diode testing circuit is composed of a Zener diode testing switch K3, a resistor R3 and a two-hole socket. The second non-moving end of the single-pole double-throw switch K4 is connected with the anode DC voltage output end of the voltage-adjustable voltage regulating output circuit. The moving end of the single-pole double-throw switch K4 is connected with the anode power supply end of the pointer gauge head. The cathode power supply end of the pointer gauge head is connected with the cathode DC voltage output end of the voltage-adjustable voltage regulating output circuit. The adjustable DC regulated power supply provided by the utility model has advantages of: convenient operation in use, low realizing cost, and high operation reliability.
Description
Technical field
The utility model belongs to stabilized voltage power supply and voltage stabilizing didoe technical field of measurement and test, specifically relates to a kind of adjustable D. C regulated with voltage stabilizing didoe test function.
Background technology
Along with the development of institution of higher education's practical teaching, electrotechnical, electronic practice-training teaching and maintenance, technical elements, have demand very widely for the direct-flow voltage regulation source of output certain voltage scope and the test of voltage stabilizing didoe institute burning voltage.The quantity required due to real training is many, buys special D.C. regulated power supply cost higher, and commercially available also actually rare for testing the voltage stabilizing didoe tester of voltage stabilizing didoe institute burning voltage.Although also have some homemade adjustable DC source of stable pressure and voltage stabilizing didoe testers in prior art, but, its structure and principle be more complicated all, and be mostly to have adjustable DC source of stable pressure and the voltage stabilizing didoe tester of independent function, realize cost low not enough, it is convenient not enough to use, and some reliabilities are high not enough, can not promote the use of well.
Utility model content
Technical problem to be solved in the utility model is for above-mentioned deficiency of the prior art, a kind of adjustable D. C regulated with voltage stabilizing didoe test function is provided, and it is simple in structure, reasonable in design, processing and fabricating is convenient, use simple operation, stable performance, functional reliability is high, realize cost low, practical, result of use is good, is convenient to promote the use of.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of adjustable D. C regulated with voltage stabilizing didoe test function, it is characterized in that: comprise housing, single-pole double-throw switch (SPDT) K4 and for showing the pointer gauge outfit of output voltage values or the voltage stabilizing didoe institute stable voltage of adjustable D. C regulated, described enclosure interior is provided with adjustable D. C regulated circuit and voltage stabilizing didoe test circuit, described adjustable D. C regulated circuit comprises for civil power being transformed to the transformer T of 18V alternating current and the current rectifying and wave filtering circuit joining with transformer T, and the adjustable voltage-stabilizing output circuit of voltage and the power supply indicator circuit that join with the output of current rectifying and wave filtering circuit, described transformer T joins with the power input line and the mains supply that pass outside by mains switch K1, described voltage stabilizing didoe test circuit is by voltage stabilizing didoe Test Switchboard K3, resistance R 3 with for being connected two spring hole scokets of voltage stabilizing didoe, form, one end of described voltage stabilizing didoe Test Switchboard K3 and the anodal DC voltage output end of the adjustable voltage-stabilizing output circuit of voltage join, the other end of described voltage stabilizing didoe Test Switchboard K3 and one end of resistance R 3 join, the other end of described resistance R 3 and single-pole double-throw switch (SPDT) K4 first not the first jack of moved end and two spring hole scokets be connected, the second jack of described two spring hole scokets and the negative pole DC voltage output end of the adjustable voltage-stabilizing output circuit of voltage join, described single-pole double-throw switch (SPDT) K4 second not the anodal DC voltage output end of moved end and the adjustable voltage-stabilizing output circuit of voltage join, the cathode power supply end of the moved end of described single-pole double-throw switch (SPDT) K4 and pointer gauge outfit joins, and the negative electricity source of described pointer gauge outfit and the negative pole DC voltage output end of the adjustable voltage-stabilizing output circuit of voltage join, described single-pole double-throw switch (SPDT) K4, pointer gauge outfit, mains switch K1, voltage stabilizing didoe Test Switchboard K3 and two spring hole scokets are outer being exposed on the outer surface of described housing all.
The above-mentioned adjustable D. C regulated with voltage stabilizing didoe test function, it is characterized in that: described current rectifying and wave filtering circuit is by full-bridge rectifier, nonpolar capacitor C 1 and polar capacitor C2 form, described full-bridge rectifier is by diode D1, D2, D3 and D4 form, the negative pole of the positive pole of described diode D1 and diode D2 joins and is the first ac input end of described full-bridge rectifier, the negative pole of the positive pole of described diode D4 and diode D3 joins and is the second ac input end of described full-bridge rectifier, the first ac input end of described full-bridge rectifier and the second ac input end join with the two ends of the secondary side winding of transformer T respectively, the negative pole of the negative pole of described diode D1 and diode D4 joins and is the anodal DC voltage output end of described full-bridge rectifier, the positive pole of the positive pole of described diode D2 and diode D3 joins and is the negative pole DC voltage output end of described full-bridge rectifier, described nonpolar capacitor C 1 is connected in parallel between the anodal DC voltage output end and negative pole DC voltage output end of described full-bridge rectifier, the anodal DC voltage output end of the positive pole of described polar capacitor C2 and described full-bridge rectifier joins and is the cathode voltage output of current rectifying and wave filtering circuit, the negative pole DC voltage output end of the negative pole of described polar capacitor C2 and described full-bridge rectifier joins and is the cathode voltage output of current rectifying and wave filtering circuit.
The above-mentioned adjustable D. C regulated with voltage stabilizing didoe test function, it is characterized in that: described voltage is adjustable voltage-stabilizing output circuit is by chip LM317, stabilized voltage power supply K switch 2, resistance R 2, polar capacitor C3 and slide rheostat RW form, the pin 1 of described chip LM317 joins with the cathode voltage output of current rectifying and wave filtering circuit, pin 2 and one end of resistance R 2 and a stiff end of slide rheostat RW of described chip LM317 join, the pin 3 of described chip LM317 joins with one end of stabilized voltage power supply K switch 2, the positive pole of the other end of the other end of described stabilized voltage power supply K switch 2 and resistance R 2 and polar capacitor C3 joins for the anodal DC voltage output end OUT+ of the adjustable voltage-stabilizing output circuit of voltage, another stiff end of the negative pole of described polar capacitor C3 and slide rheostat RW and sliding end joins and be the negative pole DC voltage output end OUT-of the adjustable voltage-stabilizing output circuit of voltage, outer being exposed on the outer surface of described housing of described stabilized voltage power supply K switch 2, on the outer surface of described housing, be provided with and be connected with the sliding end of slide rheostat RW and for regulating the knob S of the resistance of the adjustable voltage-stabilizing output circuit of slide rheostat RW access voltage, on the anodal DC voltage output end OUT+ of the adjustable voltage-stabilizing output circuit of described voltage, be connected to the positive source output line that passes described outside, on described positive source output line, be connected to red crocodile clip, on the negative pole DC voltage output end OUT-of the adjustable voltage-stabilizing output circuit of described voltage, be connected to the power cathode output line that passes described outside, on described power cathode output line, be connected to black crocodile clip.
The above-mentioned adjustable D. C regulated with voltage stabilizing didoe test function, it is characterized in that: described power supply indicator circuit is comprised of resistance R 1 and light-emitting diode RS1, the cathode voltage output of one end of described resistance R 1 and current rectifying and wave filtering circuit joins, the positive pole of the other end of described resistance R 1 and light-emitting diode RS1 joins, and the cathode voltage output of the negative pole of described light-emitting diode RS1 and current rectifying and wave filtering circuit joins; Described light-emitting diode RS1 is exposed at outward on the outer surface of described housing.
The above-mentioned adjustable D. C regulated with voltage stabilizing didoe test function, is characterized in that: described housing be shaped as rectangular shape.
The utility model compared with prior art has the following advantages:
1, the utility model is simple in structure, reasonable in design, and processing and fabricating is convenient.
2, the utility model is integrated with adjustable D. C regulated and two kinds of functions of voltage stabilizing didoe test, complete function, and volume is little, is easy to carry, and uses simple operation.
3, stable performance of the present utility model, can be reliablely and stablely for user provides direct voltage, and high to the detecting reliability of voltage stabilizing didoe institute burning voltage.
4, of the present utility model to realize cost low, is convenient to promote the use of in the maintenance process of electrotechnical, electronic practice-training teaching and electrotechnical, electronic equipment, can shorten the repair time, and avoided because of high cost or the puzzlement that do not have pertinent instruments to bring.
5, of the present utility model practical, result of use is good, is convenient to promote the use of.
In sum, the utility model is simple in structure, reasonable in design, and processing and fabricating is convenient, uses simple operation, stable performance, and functional reliability is high, realizes cost low, practical, and result of use is good, is convenient to promote the use of.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the circuit theory diagrams of the utility model adjustable D. C regulated circuit and voltage stabilizing didoe test circuit.
Description of reference numerals:
1-housing; 2-pointer gauge outfit; 3-current rectifying and wave filtering circuit;
4-voltage is adjustable voltage-stabilizing output circuit; 5-power supply indicator circuit;
6-power input line; 7-voltage stabilizing didoe test circuit;
8-two spring hole scokets; 9-mains supply.
Embodiment
As depicted in figs. 1 and 2, the utility model comprises housing 1, single-pole double-throw switch (SPDT) K4 and for showing the pointer gauge outfit 2 of output voltage values or the voltage stabilizing didoe institute stable voltage of adjustable D. C regulated, described housing 1 inside is provided with adjustable D. C regulated circuit and voltage stabilizing didoe test circuit 7, described adjustable D. C regulated circuit comprises for civil power being transformed to the transformer T of 18V alternating current and the current rectifying and wave filtering circuit 3 joining with transformer T, and the adjustable voltage-stabilizing output circuit 4 of voltage and the power supply indicator circuit 5 that join with the output of current rectifying and wave filtering circuit 3, described transformer T joins with mains supply 9 with the power input line 6 that passes housing 1 outside by mains switch K1, described voltage stabilizing didoe test circuit 7 is by voltage stabilizing didoe Test Switchboard K3, resistance R 3 with for being connected two spring hole scokets 8 of voltage stabilizing didoe, form, the anodal DC voltage output end of one end of described voltage stabilizing didoe Test Switchboard K3 and the adjustable voltage-stabilizing output circuit 4 of voltage joins, the other end of described voltage stabilizing didoe Test Switchboard K3 and one end of resistance R 3 join, the other end of described resistance R 3 and single-pole double-throw switch (SPDT) K4 first not moved end be connected with the first jack of two spring hole scokets 8, the negative pole DC voltage output end of the second jack of described two spring hole scokets 8 and the adjustable voltage-stabilizing output circuit 4 of voltage joins, described single-pole double-throw switch (SPDT) K4 second not the anodal DC voltage output end of moved end and the adjustable voltage-stabilizing output circuit 4 of voltage join, the cathode power supply end of the moved end of described single-pole double-throw switch (SPDT) K4 and pointer gauge outfit 2 joins, and the negative pole DC voltage output end of the negative electricity source of described pointer gauge outfit 2 and the adjustable voltage-stabilizing output circuit 4 of voltage joins, described single-pole double-throw switch (SPDT) K4, pointer gauge outfit 2, mains switch K1, voltage stabilizing didoe Test Switchboard K3 and two spring hole scokets 8 are outer being exposed on the outer surface of described housing 1 all.
As shown in Figure 2, in the present embodiment, described current rectifying and wave filtering circuit 3 is by full-bridge rectifier, nonpolar capacitor C 1 and polar capacitor C2 form, described full-bridge rectifier is by diode D1, D2, D3 and D4 form, the negative pole of the positive pole of described diode D1 and diode D2 joins and is the first ac input end of described full-bridge rectifier, the negative pole of the positive pole of described diode D4 and diode D3 joins and is the second ac input end of described full-bridge rectifier, the first ac input end of described full-bridge rectifier and the second ac input end join with the two ends of the secondary side winding of transformer T respectively, the negative pole of the negative pole of described diode D1 and diode D4 joins and is the anodal DC voltage output end of described full-bridge rectifier, the positive pole of the positive pole of described diode D2 and diode D3 joins and is the negative pole DC voltage output end of described full-bridge rectifier, described nonpolar capacitor C 1 is connected in parallel between the anodal DC voltage output end and negative pole DC voltage output end of described full-bridge rectifier, the anodal DC voltage output end of the positive pole of described polar capacitor C2 and described full-bridge rectifier joins and is the cathode voltage output of current rectifying and wave filtering circuit 3, the negative pole DC voltage output end of the negative pole of described polar capacitor C2 and described full-bridge rectifier joins and is the cathode voltage output of current rectifying and wave filtering circuit 3.
As depicted in figs. 1 and 2, in the present embodiment, described voltage is adjustable voltage-stabilizing output circuit 4 is by chip LM317, stabilized voltage power supply K switch 2, resistance R 2, polar capacitor C3 and slide rheostat RW form, the pin 1 of described chip LM317 joins with the cathode voltage output of current rectifying and wave filtering circuit 3, pin 2 and one end of resistance R 2 and a stiff end of slide rheostat RW of described chip LM317 join, the pin 3 of described chip LM317 joins with one end of stabilized voltage power supply K switch 2, the positive pole of the other end of the other end of described stabilized voltage power supply K switch 2 and resistance R 2 and polar capacitor C3 joins for the anodal DC voltage output end OUT+ of the adjustable voltage-stabilizing output circuit 4 of voltage, another stiff end of the negative pole of described polar capacitor C3 and slide rheostat RW and sliding end joins and be the negative pole DC voltage output end OUT-of the adjustable voltage-stabilizing output circuit 4 of voltage, outer being exposed on the outer surface of described housing 1 of described stabilized voltage power supply K switch 2, on the outer surface of described housing 1, be provided with and be connected with the sliding end of slide rheostat RW and for regulating the knob S of the resistance of the adjustable voltage-stabilizing output circuit 4 of slide rheostat RW access voltage, on the anodal DC voltage output end OUT+ of described voltage is adjustable voltage-stabilizing output circuit 4, be connected to the positive source output line 10 that passes described housing 1 outside, on described positive source output line 10, be connected to red crocodile clip 11, on the negative pole DC voltage output end OUT-of described voltage is adjustable voltage-stabilizing output circuit 4, be connected to the power cathode output line 12 that passes described housing 1 outside, on described power cathode output line 12, be connected to black crocodile clip 13.
As depicted in figs. 1 and 2, described power supply indicator circuit 5 is comprised of resistance R 1 and light-emitting diode RS1, the cathode voltage output of one end of described resistance R 1 and current rectifying and wave filtering circuit 3 joins, the positive pole of the other end of described resistance R 1 and light-emitting diode RS1 joins, and the cathode voltage output of the negative pole of described light-emitting diode RS1 and current rectifying and wave filtering circuit 3 joins; Described light-emitting diode RS1 is exposed at outward on the outer surface of described housing 1.
As shown in Figure 1, in the present embodiment, described housing 1 be shaped as rectangular shape.
Use procedure when the utility model is used as adjustable D. C regulated is: first, attaching plug on power line 6 is connected on mains supply 9, and red crocodile clip 11 is installed on the cathode power supply terminals of the equipment that need to use adjustable D. C regulated, black crocodile clip 13 is installed on the negative power supply terminals of the equipment that need to use adjustable D. C regulated, then, turn on the power switch K1, and single-pole double-throw switch (SPDT) K4 is pulled on DC voltage output end, the contact that is about to single-pole double-throw switch (SPDT) K4 gets to second not on moved end, transformer T is transformed to 18V alternating current by civil power and exports to current rectifying and wave filtering circuit 3, current rectifying and wave filtering circuit 3 is exported to the adjustable voltage-stabilizing output circuit 4 of voltage and power supply indicator circuit 5 after 18V alternating current is converted to direct current and carries out filtering processing, light-emitting diode RS1 in power supply indicator circuit 5 lights, rotation knob S, regulate the resistance of the adjustable voltage-stabilizing output circuit 4 of slide rheostat RW access voltage, and check the output voltage values that is presented at the adjustable D. C regulated in pointer gauge outfit 2, when the magnitude of voltage on being presented at pointer gauge outfit 2 is user's required voltage, knob S stops the rotation.
The use procedure of the utility model during for the test of voltage stabilizing didoe institute burning voltage is: first, attaching plug on power line 6 is connected on mains supply 9, and voltage stabilizing didoe is connected to two spring hole scokets 8, specifically the positive pole of voltage stabilizing didoe is connected in the first jack of two spring hole scokets 8, the negative pole of voltage stabilizing didoe is connected in the second jack of two spring hole scokets 8, then, turn on the power switch K1, and single-pole double-throw switch (SPDT) K4 is pulled on voltage stabilizing didoe test lead, the contact that is about to single-pole double-throw switch (SPDT) K4 gets to first not on moved end, transformer T is transformed to 18V alternating current by civil power and exports to current rectifying and wave filtering circuit 3, current rectifying and wave filtering circuit 3 is exported to the adjustable voltage-stabilizing output circuit 4 of voltage and power supply indicator circuit 5 after 18V alternating current is converted to direct current and carries out filtering processing, light-emitting diode RS1 in power supply indicator circuit 5 lights, rotation knob S, regulate the resistance of the adjustable voltage-stabilizing output circuit 4 of slide rheostat RW access voltage, and check the voltage stabilizing didoe institute stable voltage being presented in pointer gauge outfit 2, when the magnitude of voltage on being presented at pointer gauge outfit 2 does not change, now be presented at the stable voltage that magnitude of voltage in pointer gauge outfit 2 is voltage stabilizing didoe.
The above; it is only preferred embodiment of the present utility model; not the utility model is imposed any restrictions; every any simple modification of above embodiment being done according to the utility model technical spirit, change and equivalent structure change, and all still belong in the protection range of technical solutions of the utility model.
Claims (5)
1. the adjustable D. C regulated with voltage stabilizing didoe test function, it is characterized in that: comprise housing (1), single-pole double-throw switch (SPDT) K4 and for showing the pointer gauge outfit (2) of output voltage values or the voltage stabilizing didoe institute stable voltage of adjustable D. C regulated, described housing (1) inside is provided with adjustable D. C regulated circuit and voltage stabilizing didoe test circuit (7), described adjustable D. C regulated circuit comprises the current rectifying and wave filtering circuit (3) for civil power being transformed to the transformer T of 18V alternating current and joining with transformer T, and the adjustable voltage-stabilizing output circuit of voltage (4) and the power supply indicator circuit (5) that join with the output of current rectifying and wave filtering circuit (3), described transformer T joins with mains supply (9) by the mains switch K1 power input line (6) outside with passing housing (1), described voltage stabilizing didoe test circuit (7) is by voltage stabilizing didoe Test Switchboard K3, resistance R 3 with for being connected two spring hole scokets (8) of voltage stabilizing didoe, form, the anodal DC voltage output end of one end of described voltage stabilizing didoe Test Switchboard K3 and the adjustable voltage-stabilizing output circuit of voltage (4) joins, the other end of described voltage stabilizing didoe Test Switchboard K3 and one end of resistance R 3 join, the other end of described resistance R 3 and single-pole double-throw switch (SPDT) K4 first not moved end be connected with the first jack of two spring hole scokets (8), the negative pole DC voltage output end of the second jack of described two spring hole scokets (8) and the adjustable voltage-stabilizing output circuit of voltage (4) joins, described single-pole double-throw switch (SPDT) K4 second not the anodal DC voltage output end of moved end and the adjustable voltage-stabilizing output circuit of voltage (4) join, the cathode power supply end of the moved end of described single-pole double-throw switch (SPDT) K4 and pointer gauge outfit (2) joins, and the negative pole DC voltage output end of the negative electricity source of described pointer gauge outfit (2) and the adjustable voltage-stabilizing output circuit of voltage (4) joins, described single-pole double-throw switch (SPDT) K4, pointer gauge outfit (2), mains switch K1, voltage stabilizing didoe Test Switchboard K3 and two spring hole scokets (8) are outer being exposed on the outer surface of described housing (1) all.
2. according to the adjustable D. C regulated with voltage stabilizing didoe test function claimed in claim 1, it is characterized in that: described current rectifying and wave filtering circuit (3) is by full-bridge rectifier, nonpolar capacitor C 1 and polar capacitor C2 form, described full-bridge rectifier is by diode D1, D2, D3 and D4 form, the negative pole of the positive pole of described diode D1 and diode D2 joins and is the first ac input end of described full-bridge rectifier, the negative pole of the positive pole of described diode D4 and diode D3 joins and is the second ac input end of described full-bridge rectifier, the first ac input end of described full-bridge rectifier and the second ac input end join with the two ends of the secondary side winding of transformer T respectively, the negative pole of the negative pole of described diode D1 and diode D4 joins and is the anodal DC voltage output end of described full-bridge rectifier, the positive pole of the positive pole of described diode D2 and diode D3 joins and is the negative pole DC voltage output end of described full-bridge rectifier, described nonpolar capacitor C 1 is connected in parallel between the anodal DC voltage output end and negative pole DC voltage output end of described full-bridge rectifier, the anodal DC voltage output end of the positive pole of described polar capacitor C2 and described full-bridge rectifier joins and is the cathode voltage output of current rectifying and wave filtering circuit (3), the negative pole DC voltage output end of the negative pole of described polar capacitor C2 and described full-bridge rectifier joins and is the cathode voltage output of current rectifying and wave filtering circuit (3).
3. according to the adjustable D. C regulated with voltage stabilizing didoe test function claimed in claim 2, it is characterized in that: described voltage is adjustable voltage-stabilizing output circuit (4) is by chip LM317, stabilized voltage power supply K switch 2, resistance R 2, polar capacitor C3 and slide rheostat RW form, the pin 1 of described chip LM317 joins with the cathode voltage output of current rectifying and wave filtering circuit (3), pin 2 and one end of resistance R 2 and a stiff end of slide rheostat RW of described chip LM317 join, the pin 3 of described chip LM317 joins with one end of stabilized voltage power supply K switch 2, the positive pole of the other end of the other end of described stabilized voltage power supply K switch 2 and resistance R 2 and polar capacitor C3 joins for the anodal DC voltage output end OUT+ of the adjustable voltage-stabilizing output circuit of voltage (4), another stiff end of the negative pole of described polar capacitor C3 and slide rheostat RW and sliding end joins and be the negative pole DC voltage output end OUT-of the adjustable voltage-stabilizing output circuit of voltage (4), outer being exposed on the outer surface of described housing (1) of described stabilized voltage power supply K switch 2, on the outer surface of described housing (1), be provided with and be connected with the sliding end of slide rheostat RW and for regulating the knob S of the resistance of the slide rheostat RW access adjustable voltage-stabilizing output circuit of voltage (4), on the anodal DC voltage output end OUT+ of described voltage is adjustable voltage-stabilizing output circuit (4), be connected to and pass the outside positive source output line (10) of described housing (1), on described positive source output line (10), be connected to red crocodile clip (11), on the negative pole DC voltage output end OUT-of described voltage is adjustable voltage-stabilizing output circuit (4), be connected to and pass the outside power cathode output line (12) of described housing (1), on described power cathode output line (12), be connected to black crocodile clip (13).
4. according to the adjustable D. C regulated with voltage stabilizing didoe test function claimed in claim 2, it is characterized in that: described power supply indicator circuit (5) is comprised of resistance R 1 and light-emitting diode RS1, the cathode voltage output of one end of described resistance R 1 and current rectifying and wave filtering circuit (3) joins, the positive pole of the other end of described resistance R 1 and light-emitting diode RS1 joins, and the cathode voltage output of the negative pole of described light-emitting diode RS1 and current rectifying and wave filtering circuit (3) joins; Described light-emitting diode RS1 is exposed at outward on the outer surface of described housing (1).
5. according to the adjustable D. C regulated with voltage stabilizing didoe test function claimed in claim 1, it is characterized in that: described housing (1) be shaped as rectangular shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420144398.1U CN203775050U (en) | 2014-03-27 | 2014-03-27 | Adjustable DC regulated power supply with Zener diode test function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420144398.1U CN203775050U (en) | 2014-03-27 | 2014-03-27 | Adjustable DC regulated power supply with Zener diode test function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203775050U true CN203775050U (en) | 2014-08-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420144398.1U Expired - Fee Related CN203775050U (en) | 2014-03-27 | 2014-03-27 | Adjustable DC regulated power supply with Zener diode test function |
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| CN (1) | CN203775050U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104699149A (en) * | 2015-02-06 | 2015-06-10 | 胡和萍 | Power voltage regulator |
| 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 |
| CN107994783A (en) * | 2017-11-16 | 2018-05-04 | 天长市昭田磁电科技有限公司 | A kind of Novel DC regulated power supply |
| CN110220537A (en) * | 2019-06-12 | 2019-09-10 | 五邑大学 | A kind of detection circuit applied to piezoresistive transducer |
-
2014
- 2014-03-27 CN CN201420144398.1U patent/CN203775050U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104699149A (en) * | 2015-02-06 | 2015-06-10 | 胡和萍 | Power voltage regulator |
| 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 |
| CN107994783A (en) * | 2017-11-16 | 2018-05-04 | 天长市昭田磁电科技有限公司 | A kind of Novel DC regulated power supply |
| CN110220537A (en) * | 2019-06-12 | 2019-09-10 | 五邑大学 | A kind of detection circuit applied to piezoresistive transducer |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140813 Termination date: 20150327 |
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| EXPY | Termination of patent right or utility model |