CN215180532U - Action load test loop - Google Patents
Action load test loop Download PDFInfo
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- CN215180532U CN215180532U CN202120070542.1U CN202120070542U CN215180532U CN 215180532 U CN215180532 U CN 215180532U CN 202120070542 U CN202120070542 U CN 202120070542U CN 215180532 U CN215180532 U CN 215180532U
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- 239000003990 capacitor Substances 0.000 claims description 21
- 238000005259 measurement Methods 0.000 description 12
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- 230000009286 beneficial effect Effects 0.000 description 1
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Abstract
The utility model discloses an action load test circuit, including ignition discharge ball crack, direct current charge circuit, high-voltage cable, vacuum switch group, consumption appearance, test sample, shift some firearm, PLC switch board mutually, the one end in direct current charge circuit is connected with the one end of ignition discharge ball crack, the other end of ignition discharge ball crack is connected with high-voltage cable, test sample's one end, the other end and the one end of decoupling inductance of high-voltage cable are connected, the other end and the vacuum switch group link of decoupling inductance, the vacuum switch group is connected with multichannel power frequency test circuit respectively, the control end and the shift some firearm of ignition discharge ball crack are connected. The utility model discloses thunder and lightning discharge current and operation discharge current adopt same charging circuit to current action load test device's security performance is good, can measure thunder and lightning discharge current and operation discharge current, also can measure the consumption in each power frequency return circuit.
Description
Technical Field
The utility model relates to a lightning arrester technical field specifically is an action load test return circuit.
Background
When the lightning arrester is subjected to an action load test, the lightning discharge current and the operation discharge current of the lightning arrester need to be tested, but the lightning discharge current and the operation discharge current of the existing action load test device do not adopt the same charging loop, the safety performance of the existing action load test device is poor, the lightning discharge current and the operation discharge current cannot be measured, the power consumption of each power frequency loop cannot be measured, the automation cannot be realized, the circuit structure is complex, the cost is high, and the lightning arrester cannot be flexibly used.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an action load test return circuit, thunder and lightning discharge current and operation discharge current adopt same charging circuit to current action load test device's security performance is good, can measure thunder and lightning discharge current and operation discharge current, also can measure the consumption in each power frequency return circuit, can also realize automaticly, and circuit structure is simple, with low costs, the use is got up very in a flexible way.
In order to achieve the above object, the utility model provides a following technical scheme: an action load test loop comprises an ignition discharge spherical gap, a direct current charging loop, a high-voltage cable, a vacuum switch group, a power consumption instrument, a test sample, a phase-shifting igniter and a PLC control cabinet, wherein one end of the direct current charging loop is connected with one end of the ignition discharge spherical gap, the other end of the ignition discharge spherical gap is connected with one end of the high-voltage cable and one end of the test sample, the other end of the high-voltage cable is connected with one end of a decoupling inductor, the other end of the decoupling inductor is connected with the vacuum switch group, the vacuum switch group is respectively connected with a multi-path power frequency test loop, the control end of the ignition discharge spherical gap is connected with the phase-shifting igniter, the power consumption instrument is further connected with the phase-shifting igniter and the high-voltage cable, the other end of the direct current charging loop is connected with the other end of the test sample, the control end of the phase-shifting igniter, the control end of the direct current charging loop, the phase-shifting igniter, And the control end of the vacuum switch group is connected with the PLC control cabinet.
Preferably, the charging system further comprises a current surge circuit, the current surge circuit comprises a current surge inductor, a current surge resistor and a current surge capacitor, one end of the direct current charging circuit is connected with one end of the current surge inductor and one end of the current surge capacitor, the other end of the current surge inductor is connected with one end of the current surge resistor, the other end of the current surge resistor is connected with the ignition discharge ball gap, and the other end of the current surge capacitor is connected with the other end of the direct current charging circuit.
Preferably, the device also comprises a current measuring circuit, the current measuring circuit is connected with the other end of the current impact loop, and the output end of the current measuring circuit is connected with the PLC control cabinet.
Preferably, the device further comprises a voltage measuring circuit, the voltage measuring circuit is connected with one end of the first measuring resistor and one end of the second measuring resistor, the other end of the first measuring resistor is connected with the other end of the ignition discharge ball gap, the other end of the second measuring resistor is connected with the other end of the direct current charging loop, and the output end of the voltage measuring circuit is connected with the PLC control cabinet.
Preferably, the device further comprises a temperature measuring instrument, and the temperature measuring instrument is connected with the test sample.
Preferably, the device further comprises a voltage transformer, one end of the voltage transformer is connected with the vacuum switch group, and the other end of the voltage transformer is connected with the other end of the direct current charging loop.
Preferably, the output end of the voltage transformer is connected with a power consumption instrument.
Preferably, the dc charging circuit includes a constant current controller, a transformer, a voltage-doubling capacitor, a first diode, a protection resistor, and a charging measurement circuit, wherein an input terminal of the constant current controller is connected to a 220V voltage, an output terminal of the constant current controller is connected to the transformer, an output terminal of the transformer is connected to one end of the voltage-doubling capacitor, another terminal of the voltage-doubling capacitor is connected to the first diode, another terminal of the first diode is connected to one end of the protection resistor, and another terminal of the protection resistor is connected to the charging measurement circuit.
Preferably, the dc charging circuit further includes a second diode and a switch, one end of the second diode is connected to the other end of the voltage-multiplying capacitor, one end of the switch is connected to the other end of the first diode, and the other end of the second diode and the other end of the switch are both connected to the charging measurement circuit.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses an add the security performance that decoupling inductance can greatly increased circuit in the circuit.
2. The utility model discloses a thunder and lightning discharge current and operation discharge current adopt same charging circuit to control through the PLC switch board, it is automatic effectual.
3. The utility model discloses can measure thunder and lightning discharge current and operation discharge current, also can measure the consumption of each power frequency return circuit, can measure test sample's temperature through temperature measuring instrument, gather power loss through the consumption appearance, can be convenient for the operator observe and calculate.
4. The utility model discloses circuit structure is simple, with low costs, the use is got up very nimble.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
Fig. 1 is a schematic circuit diagram of the present invention;
fig. 2 is a schematic circuit diagram of the dc charging circuit of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
As shown in FIG. 1, the utility model provides an action load test loop, which comprises an ignition discharge ball gap Q, a DC charging loop, a high-voltage cable CT, a vacuum switch group (F1-F4), a power consumption meter, a test sample P, a phase-shifting igniter, a PLC control cabinet, wherein one end of the DC charging loop is connected with one end of the ignition discharge ball gap Q, the other end of the ignition discharge ball gap Q is connected with one end of the high-voltage cable CT and one end of the test sample P, the other end of the high-voltage cable CT is connected with one end of a decoupling inductor L0-, the other end of the decoupling inductor L0 is connected with the vacuum switch group (F1-F4), the vacuum switch group (F1-F4) is respectively connected with a multipath power frequency test loop, the control end of the ignition discharge ball gap Q is connected with a phase-shifting igniter, the power consumption meter is also connected with the phase-shifting igniter and the high-voltage cable, the other end of the DC charging loop is connected with the other end of the test sample, the control end of the phase-shifting igniter, the control end of the direct-current charging circuit and the control end of the vacuum switch group are connected with the PLC control cabinet.
The utility model discloses a further embodiment, still include the electric current surge return circuit, the electric current surge return circuit includes electric current surge inductance L, electric current surge resistance R, electric current surge electric capacity C, the one end of direct current charging loop is connected with electric current surge inductance L's one end, electric current surge electric capacity C's one end, electric current surge inductance L's the other end is connected with electric current surge resistance R's one end, electric current surge resistance R's another termination ignition ball gap Q, electric current surge electric capacity C's another termination direct current charging loop's the other end.
The working principle is as follows: the whole process is controlled by a PLC control cabinet, the current impact capacitor C is charged by the direct current charging loop according to the preset charging voltage, and when the preset value of the charging voltage is reached, the charging is finished. And then the PLC control cabinet controls the ignition discharge spherical gap Q to ignite through a phase-shifting igniter, impact current discharge is carried out on the test sample P, after the last impact current discharge is carried out according to requirements, the PLC control cabinet controls vacuum switches F1-F4 in a vacuum switch group, and a Ur power frequency test loop and a Uc power frequency test loop are sequentially applied according to requirements, wherein the Ur power frequency test loop adopts a 150kVA and 10kV power frequency test transformer, and the Uc power frequency test loop adopts a 20kVA and 10kV power frequency test transformer.
The utility model discloses an in another embodiment, in order to measure thunder and lightning discharge current and operation discharge current, still include the current measurement circuit, the current measurement circuit is connected with the other end in electric current surge circuit, and the output and the PLC switch board of current measurement circuit are connected. The current measuring circuit transmits the detected lightning discharge current and the operation discharge current to the PLC control cabinet, and the lightning discharge current and the operation discharge current are displayed by a display screen of the PLC control cabinet, so that an operator can observe the lightning discharge current and the operation discharge current conveniently.
The utility model discloses an in another embodiment, still include voltage measurement circuit, voltage measurement circuit and first measuring resistor's one end, second measuring resistor's one end is connected, first measuring resistor's the other end and the other end of ignition ball crack are connected, second measuring resistor's the other end and the other end of direct current charge circuit are connected, voltage measurement circuit's output and PLC switch board are connected, voltage measurement circuit transmits the voltage signal who detects for the PLC switch board, show by the display screen display in PLC switch board area, the operator of being convenient for observes.
The utility model discloses an in another embodiment, still include temperature-measuring instrument, temperature-measuring instrument is connected with the test sample, can measure the temperature of test sample through temperature-measuring instrument.
The utility model discloses an in another embodiment, still include voltage transformer, voltage transformer's one end and vacuum switch group link, voltage transformer's the other end and the other end of direct current charging circuit are connected.
In another embodiment of the present invention, the output terminal of the voltage transformer is connected to the consumption meter.
The utility model discloses a power loss adopts the consumption meter to measure, and it obtains through voltage transformer to apply voltage, and the electric current obtains through wearing current transformer on power frequency voltage high tension cable.
The utility model discloses a further embodiment, as shown in fig. 2, the direct current charge circuit includes constant current controller, transformer tr, voltage doubling capacitor cr, first diode lr1, protection resistor re1, the measuring circuit that charges, constant current controller's input termination 220V voltage, constant current controller's output termination transformer tr, the one end of voltage doubling capacitor cr is terminated to the output of transformer tr, the first diode lr1 of another termination of voltage doubling capacitor cr, another termination protection resistor re 1's one end of first diode lr1, protection resistor re 1's another termination measuring circuit that charges.
The direct current charging loop further comprises a second diode lr2 and a switch sr1, one end of the second diode lr2 is connected with the other end of the voltage-multiplying capacitor cr, one end of the switch sr1 is connected with the other end of the first diode lr2, and the other end of the second diode lr2 and the other end of the switch sr1 are connected with the charging measurement circuit.
The principle of the direct current charging loop is as follows: the 220V voltage sequentially passes through the constant current controller and the transformer, and then the voltage-multiplying capacitor is charged through the voltage-multiplying loop, wherein the voltage-multiplying loop consists of the constant current controller, the transformer tr, the voltage-multiplying capacitor cr, the first diode lr1 and the protection resistor re1, and the charging measurement circuit detects the current voltage of the direct current charging loop.
In the description of the present invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. An action load test circuit, characterized in that: comprises an ignition and discharge ball gap, a direct current charging circuit, a high-voltage cable, a vacuum switch group, a power consumption instrument, a test sample, a phase-shifting igniter and a PLC control cabinet, one end of the direct current charging loop is connected with one end of an ignition discharge ball gap, the other end of the ignition discharge ball gap is connected with one end of a high-voltage cable and one end of a test sample, the other end of the high-voltage cable is connected with one end of a decoupling inductor, the other end of the decoupling inductor is connected with a vacuum switch group, the vacuum switch group is respectively connected with a multi-path power frequency test loop, the control end of the ignition discharge ball gap is connected with the phase-shifting igniter, the power consumption meter is also connected with the phase-shifting igniter and the high-voltage cable, the other end of the direct-current charging loop is connected with the other end of the test sample, and the control end of the phase-shifting igniter, the control end of the direct-current charging circuit and the control end of the vacuum switch group are connected with the PLC control cabinet.
2. The operational load test circuit of claim 1, wherein: the current surge circuit comprises a current surge inductor, a current surge resistor and a current surge capacitor, one end of the direct current charging circuit is connected with one end of the current surge inductor and one end of the current surge capacitor, the other end of the current surge inductor is connected with one end of the current surge resistor, the other end of the current surge resistor is connected with an ignition discharge ball gap, and the other end of the current surge capacitor is connected with the other end of the direct current charging circuit.
3. The operational load test circuit of claim 2, wherein: the current measuring circuit is connected with the other end of the current impact loop, and the output end of the current measuring circuit is connected with the PLC control cabinet.
4. The operational load test circuit of claim 1, wherein: the voltage measuring circuit is connected with one end of the first measuring resistor and one end of the second measuring resistor, the other end of the first measuring resistor is connected with the other end of the ignition discharge ball gap, the other end of the second measuring resistor is connected with the other end of the direct current charging loop, and the output end of the voltage measuring circuit is connected with the PLC control cabinet.
5. The operational load test circuit of claim 1, wherein: the device also comprises a temperature measuring instrument, and the temperature measuring instrument is connected with the test sample.
6. The operational load test circuit of claim 1, wherein: the vacuum charging system is characterized by further comprising a voltage transformer, wherein one end of the voltage transformer is connected with the vacuum switch group, and the other end of the voltage transformer is connected with the other end of the direct current charging loop.
7. The operational load test circuit of claim 6, wherein: and the output end of the voltage transformer is connected with a power consumption instrument.
8. The operational load test circuit of claim 1, wherein: the direct current charging circuit comprises a constant current controller, a transformer, a voltage-multiplying capacitor, a first diode, a protection resistor and a charging measuring circuit, wherein the input end of the constant current controller is connected with 220V voltage, the output end of the constant current controller is connected with the transformer, the output end of the transformer is connected with one end of the voltage-multiplying capacitor, the other end of the voltage-multiplying capacitor is connected with the first diode, the other end of the first diode is connected with one end of the protection resistor, and the other end of the protection resistor is connected with the charging measuring circuit.
9. The operational load test circuit of claim 8, wherein: the direct current charging loop further comprises a second diode and a switch, one end of the second diode is connected with the other end of the voltage-multiplying capacitor, one end of the switch is connected with the other end of the first diode, and the other end of the second diode and the other end of the switch are both connected with the charging measuring circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120070542.1U CN215180532U (en) | 2021-01-12 | 2021-01-12 | Action load test loop |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120070542.1U CN215180532U (en) | 2021-01-12 | 2021-01-12 | Action load test loop |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215180532U true CN215180532U (en) | 2021-12-14 |
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ID=79402829
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120070542.1U Expired - Fee Related CN215180532U (en) | 2021-01-12 | 2021-01-12 | Action load test loop |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215180532U (en) |
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2021
- 2021-01-12 CN CN202120070542.1U patent/CN215180532U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211214 |
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| CF01 | Termination of patent right due to non-payment of annual fee |