CN215681885U - Portable test power supply - Google Patents
Portable test power supply Download PDFInfo
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- CN215681885U CN215681885U CN202122191429.1U CN202122191429U CN215681885U CN 215681885 U CN215681885 U CN 215681885U CN 202122191429 U CN202122191429 U CN 202122191429U CN 215681885 U CN215681885 U CN 215681885U
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- storage battery
- power supply
- air switch
- resistor
- portable test
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes
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Abstract
The utility model discloses a portable test power supply.A storage battery is a single storage battery which is replaced by a transformer substation and has capacity capable of meeting the requirement; the positive pole and the negative pole of the storage battery are connected to a direct current inversion air switch, the direct current inversion air switch is connected with an alternating current inverter, and the alternating current inverter converts direct current of the storage battery into alternating current and supplies power to the extension socket; the positive pole and the negative pole of the storage battery are connected with a quick charger, and the quick charger is connected to a storage battery charging air switch. By means of technical transformation of storage batteries of the transformer substation, a single storage battery with capacity still meeting the requirement is replaced by the technical transformation, waste assets are recycled, and therefore the acquisition cost of a test power supply is greatly reduced; the weight is light, the size is small, meanwhile, fuel filling is not needed, the device is applied to emergency repair of outdoor equipment, the personnel configuration is optimized, the working time is reduced, and the emergency repair efficiency is improved to a great extent; the capacity of the power supply meets the requirement, the structure is simple, and a plurality of standby power supplies are convenient to prepare.
Description
Technical Field
The utility model relates to the technical field of test power supplies, in particular to a portable test power supply.
Background
After high-voltage power equipment such as outdoor pole-mounted switches, lightning arresters and cables have faults, in order to recover power supply as soon as possible, power supply companies can immediately send out rush-repair teams to carry out rush-repair work, and in the preparation of rush-repair tools and appliances, a traditional fuel generator is used as a power supply of test equipment and is an indispensable rush-repair resource. The traditional fuel generator has the following disadvantages when used in outdoor tests:
1. the traditional fuel generator is as heavy as tens of kilograms, and at least 3-4 persons are usually equipped to lift the generator, but in the actual emergency repair work, 2 working members can completely solve the problem sometimes, but 3-4 persons have to be configured because the generator needs to be lifted, thereby causing the situation that the configuration of emergency repair workers is not economical.
2. The traditional fuel generator is huge in size, the generator is not convenient to place in a narrow place in a rush repair mode, a power panel needs to be released remotely, and the working time is prolonged.
3. The conventional fuel generator has a large noise, and when an insulation failure of a high-voltage power apparatus is determined, whether the high-voltage apparatus can continue to operate may be determined by listening to a discharge or a flashover sound. The noise of the generator is obviously not beneficial to judgment of professional technicians.
4. The traditional fuel generator has high failure rate and frequent maintenance, and increases the daily workload of electric workers.
5. Traditional fuel generator fuel filling needs to go through loaded down with trivial details examination and approval procedure, need transport because of the fuel problem when salvageing, consuming time and wasting force.
Based on the pain points, the portable testing power supply is invented by exploring the testing equipment power supply.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is as follows: the utility model aims to provide a portable test power supply to solve the technical problems that when a traditional fuel generator is used in outdoor tests, lots of inconvenience is brought to testers and test processes due to the properties of large weight, size, noise and the like, and rush repair efficiency is affected by adding fuel.
The utility model is realized by the following technical scheme:
this scheme provides a portable experimental power, includes: the system comprises a storage battery, a quick charger, a direct current inversion air switch, an alternating current inverter and a power strip;
the storage battery is a single storage battery which is replaced by a transformer substation and has capacity capable of meeting the requirement;
the positive pole and the negative pole of the storage battery are connected to a direct current inversion air switch, the direct current inversion air switch is connected with an alternating current inverter, and the alternating current inverter converts direct current of the storage battery into alternating current and supplies power to the extension socket;
the positive pole and the negative pole of the storage battery are connected with a quick charger, and the quick charger is connected to a storage battery charging air switch.
The working principle of the scheme is as follows: in the prior art, a fuel generator is usually used as a power supply of test equipment in an outdoor test, but the traditional fuel generator is inconvenient for testers and a test process due to attributes such as large weight, volume and noise when used in the outdoor test. The portable test power supply is light in weight and small in size, fuel does not need to be filled into the power supply, noise is avoided, the fault rate is close to zero, the power supply is applied to the emergency repair of outdoor equipment, personnel configuration is optimized, the working time is shortened, and the emergency repair efficiency is improved to a great extent.
When the air switch is not used, the storage battery is charged by the quick charger, and the storage battery charging air switch is closed after the air switch is fully charged for the need from time to time. When the test power supply needs to be used, the direct current inversion air switch is turned on, 220V sine alternating current is supplied to the socket through the alternating current inverter, and then power is supplied to the test equipment.
Although various types of portable power supplies are available in the market, the capacity of the portable power supplies generally cannot reach the capacity required by outdoor tests, and under the condition of long-time use, a plurality of power supplies are required, so that the cost is increased. The portable test power supply has the advantages of simple structure, convenient use and low cost, and the power supply also has the characteristic of convenient large-scale popularization and application.
The further optimization scheme is that the parameters of the storage battery are 12v and 24 AH.
The further optimization scheme is that the storage battery charging air switch adopts an air switch with the model number of C65N-DC and the rated current of 6A.
The further optimization scheme is that the direct current inversion air switch adopts an air switch with the model number of C65N-DC and the rated current of 63A.
The further optimization scheme is that the alternating current inverter adopts a 3000W sine wave inverter.
The further optimization scheme is that the circuit of the quick charger is as follows:
the capacitor C1 is connected in parallel between the positive electrode of the power input and the negative electrode of the power input, the input end of the chip LP2951 is connected with the positive electrode of the power input, and the shutdown end and the Gnd end of the chip LP2951 are both connected to the negative electrode of the power input; the output end of the chip LP2951 is connected with the cathode of the power supply input after being connected with the capacitor C2 in series, the output end of the chip LP2951 is connected with the anode of the diode D1, and the cathode of the diode D1 is connected with the anode of the output; one end of the resistor R1 is connected with a power input anode, the other end of the resistor R1 is connected with a power input cathode after being connected with the resistor R2 and the sliding resistor P1 in series, an output cathode is led out from the power input cathode, and the Fdback end of the chip LP2951 is connected between the resistor R1 and the resistor R2; the capacitor C3 is connected in parallel to the resistor R1.
The further optimization scheme is that the anode of the storage battery is connected with the output anode of the quick charger, and the cathode of the storage battery is connected with the output cathode of the quick charger.
Compared with the prior art, the utility model has the following advantages and beneficial effects:
1. the scheme provides a portable test power supply, which depends on the technical transformation of storage batteries of a transformer substation, and single storage battery with capacity still meeting the requirement is replaced by the technical transformation, so that the waste assets are recycled, and the acquisition cost of the test power supply is greatly reduced;
2. the portable test power supply is light in weight and small in size, fuel does not need to be filled, noise is avoided, the fault rate is near zero, the power supply is applied to emergency repair of outdoor equipment, personnel configuration is optimized, working time is shortened, and emergency repair efficiency is improved to a great extent;
3. the scheme provides a portable test power supply, and the portable test power supply of the scheme relies on technical transformation of a storage battery of a transformer substation, and the capacity of the portable test power supply meets the requirement, and is simple in structure, low in cost and capable of preparing a plurality of standby power supplies.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the utility model and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the utility model and together with the description serve to explain the principles of the utility model. In the drawings:
FIG. 1 is a schematic diagram of a portable test power supply configuration;
fig. 2 is a schematic diagram of a fast charger circuit.
Reference numbers and corresponding part names in the drawings:
1-storage battery charging air switch, 2-quick charger, 3-storage battery, 4-direct current inversion air switch, 5-alternating current inverter and 6-socket.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples and accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not meant to limit the present invention.
Example 1
This embodiment 1 provides a portable test power supply, as shown in fig. 1, including: the system comprises a storage battery charging air switch 1, a storage battery 3, a quick charger 2, a direct current inversion air switch 4, an alternating current inverter 5 and a socket 6;
the storage battery is a single storage battery which is replaced by a transformer substation and has capacity capable of meeting the requirement;
the positive pole and the negative pole of the storage battery are connected to a direct current inversion air switch, the direct current inversion air switch is connected with an alternating current inverter, and the alternating current inverter converts direct current of the storage battery into alternating current and supplies power to the extension socket;
the positive pole and the negative pole of the storage battery are connected with a quick charger, and the quick charger is connected to a storage battery charging air switch.
The parameters of the storage battery are 12v and 24 AH.
The air switch for charging the storage battery is an air switch with the model number of C65N-DC and the rated current of 6A.
The direct current inversion air switch adopts an air switch with the model number of C65N-DC and the rated current of 63A.
The alternating current inverter adopts a 3000W sine wave inverter.
Example 2
The difference between this embodiment and the previous embodiment is that the circuit of the fast charger is:
as shown in fig. 2, the capacitor C1 is connected in parallel between the positive power input terminal and the negative power input terminal, the input terminal of the chip LP2951 is connected to the positive power input terminal, and the shutdown terminal and the Gnd terminal of the chip LP2951 are both connected to the negative power input terminal; the output end of the chip LP2951 is connected with the cathode of the power supply input after being connected with the capacitor C2 in series, the output end of the chip LP2951 is connected with the anode of the diode D1, and the cathode of the diode D1 is connected with the anode of the output; one end of the resistor R1 is connected with a power input anode, the other end of the resistor R1 is connected with a power input cathode after being connected with the resistor R2 and the sliding resistor P1 in series, an output cathode is led out from the power input cathode, and the Fdback end of the chip LP2951 is connected between the resistor R1 and the resistor R2; the capacitor C3 is connected in parallel to the resistor R1.
The positive pole of the storage battery is connected with the output positive pole of the quick charger, and the negative pole of the storage battery is connected with the output negative pole of the quick charger.
When the portable test power supply is not used, the storage battery is charged by using a 12V and 2A quick charger, and the storage battery charging air switch is closed after the portable test power supply is fully charged for the need from time to time. When the test power supply needs to be used, the direct current inversion air switch is turned on, 220V sine alternating current is supplied to the socket through the 3000W pure sine wave inverter, and then power is supplied to the test equipment.
The portable test power supply has the advantages of simple structure, convenient use and low cost, and the power supply also has the characteristic of convenient large-scale popularization and application.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (7)
1. A portable test power supply, comprising: the system comprises a storage battery, a quick charger, a direct current inversion air switch, an alternating current inverter and a power strip;
the positive pole and the negative pole of the storage battery are connected to a direct current inversion air switch, the direct current inversion air switch is connected with an alternating current inverter, and the alternating current inverter converts direct current of the storage battery into alternating current and supplies power to the extension socket;
the positive pole and the negative pole of the storage battery are connected with a quick charger, and the quick charger is connected to a storage battery charging air switch.
2. A portable test power supply as claimed in claim 1, wherein the battery parameter is 12v, 24 AH.
3. A portable test power supply as claimed in claim 2, wherein the battery charging air switch is a C65N-DC rated current 6A air switch.
4. The portable test power supply of claim 2, wherein the DC-to-ac air switch is a type C65N-DC air switch rated at 63A.
5. A portable test power supply as claimed in claim 2, wherein the ac inverter is a 3000W sine wave inverter.
6. A portable test power supply as claimed in claim 1, wherein the fast charger circuit is:
the capacitor C1 is connected in parallel between the positive electrode of the power input and the negative electrode of the power input, the input end of the chip LP2951 is connected with the positive electrode of the power input, and the shutdown end and the Gnd end of the chip LP2951 are both connected to the negative electrode of the power input; the output end of the chip LP2951 is connected with the cathode of the power supply input after being connected with the capacitor C2 in series, the output end of the chip LP2951 is connected with the anode of the diode D1, and the cathode of the diode D1 is connected with the anode of the output; one end of the resistor R1 is connected with a power input anode, the other end of the resistor R1 is connected with a power input cathode after being connected with the resistor R2 and the sliding resistor P1 in series, an output cathode is led out from the power input cathode, and the Fdback end of the chip LP2951 is connected between the resistor R1 and the resistor R2; the capacitor C3 is connected in parallel to the resistor R1.
7. A portable test power supply as claimed in claim 6, wherein the positive battery terminal is connected to the positive output terminal of the fast charger and the negative battery terminal is connected to the negative output terminal of the fast charger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122191429.1U CN215681885U (en) | 2021-09-10 | 2021-09-10 | Portable test power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122191429.1U CN215681885U (en) | 2021-09-10 | 2021-09-10 | Portable test power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215681885U true CN215681885U (en) | 2022-01-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122191429.1U Active CN215681885U (en) | 2021-09-10 | 2021-09-10 | Portable test power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215681885U (en) |
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2021
- 2021-09-10 CN CN202122191429.1U patent/CN215681885U/en active Active
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