CN212060527U - Resistance-capacitance load box - Google Patents
Resistance-capacitance load box Download PDFInfo
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- CN212060527U CN212060527U CN202020099678.0U CN202020099678U CN212060527U CN 212060527 U CN212060527 U CN 212060527U CN 202020099678 U CN202020099678 U CN 202020099678U CN 212060527 U CN212060527 U CN 212060527U
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Abstract
The utility model discloses a resistance-capacitance load box, relating to the technical field of load boxes and solving the technical problem that the existing load box can not simultaneously meet the respective test requirements of the loads of resistance load, sensitivity load and capacitance load, the box body comprises a left box body and a right box body, the right box body sequentially comprises a resistive load box, a capacitive load box and a inductive load box from top to bottom, an air inlet communicated with the left box body is formed in the left box body, an integrated control module is further arranged in the left box body, the integrated control module is connected with the resistive load box, the capacitive load box and the inductive load box through leads, a first display screen, a first switch and a resistive-capacitive integrated access port are arranged on the left box body, and the first display screen, the first switch and the resistive-capacitive integrated access port are all connected with the integrated control module through leads; the utility model has the advantages of simple structure, multifunction and the like.
Description
Technical Field
The utility model relates to a load box technical field, more specifically relate to a resistance-capacitance load box.
Background
The load box (praise electromechanics) is mainly used for simulating an actual use environment and detecting the load capacity and the load characteristic of the power supply equipment, the voltage characteristic, the frequency characteristic, the current characteristic, the temperature rise and other data of the power supply equipment can be detected through the load box, and whether the power supply equipment is qualified or not can be judged according to a test result, or the improvement is further carried out. The load box has the working principle that loads are put into or cut off timely according to the test requirements of user power supply equipment, corresponding electrical parameters are automatically recorded, corresponding data results are calculated according to corresponding national or industrial standards, data report curves are automatically printed, and the load test requirements are met.
The load box is also a detection device, and is mainly used for detecting and maintaining a generator, an uninterruptible power supply and power transmission equipment. The use of the device avoids economic loss caused by the failure of starting a standby unit or a power supply, and also provides scientific basis for the detection of the loading capacity of a new unit. The fuel used by the generator set is diesel oil, and under the condition of less than 50% load or no load, light load is formed without fail to cause insufficient fuel oil, carbon deposit and reduction of the efficiency of the whole machine, so that the failure of starting, the insufficient power and the excessive fuel oil are finally caused, and the cylinder is opened and maintained too early until the cylinder is scrapped. And the use of the load can avoid the occurrence of the above conditions, and the reliability of the diesel generator set is improved. The load box device can provide an effective test maintenance means for the generator set and verify the characteristics under all conditions without interrupting the very important actual load. The load box is divided into a resistive load, a resistance-capacitance integrated load and a resistance-capacitance integrated load. What is more is a resistive load, called a dummy load, which acts to simulate the presence of a real load. The main part is a resistance part, and some instruments, breakers and the like are additionally arranged during design. The load is usually made into a box body, which is commonly called a load box. The dry-type load box is more advanced in the accuracy of test data and convenient control. The relatively common load box used in shipyards is a resistance-capacitance integrated load box, namely, the main accessories are a resistor, a reactor and a capacitor, so the price is added. Reactors and capacitors are mainly used to control the power factor, which is also calculated according to the user's demand. The design of the existing load box is automated, one load box is provided with one operating platform, the main accessory of the operating platform is an industrial personal computer, loading and unloading are controlled by the computer, fluctuation experiments are conducted, parameters of the generator are displayed by data and curves, and reports can be automatically generated. The existing load box has wide application fields, such as ships, energy sources, electric power, traffic, finance, ocean platforms, communication wind power and solar power plants and the like.
The load box in the prior art has single function and cannot simultaneously meet the respective test requirements of loads of resistive loads, inductive loads and capacitive loads.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: in order to solve the technical problem that the load of hindering nature load, perception load, capacitive load can not satisfy simultaneously in current load box tests the demand respectively, the utility model provides a hinder and feel load box.
The utility model discloses a realize above-mentioned purpose and specifically adopt following technical scheme:
the utility model provides a hinder and feel and hold load box, the power distribution box comprises a box body, the box includes left side box and right side box, from last to including hindering nature load box down in proper order in the right side box, capacitanc load box and perception load box, hindering nature load box, capacitanc load box and perception load box all are provided with middle air intake, middle air intake is linked together with the left side box, be provided with the air intake with left side box intercommunication in the left side box, still be provided with integrative control module in the left side box, integrative control module and hindering nature load box, capacitanc load box and perception load box pass through the wire and are connected, be provided with display screen one on the box of left side, switch one and hinder and feel an integrative mouth that inserts, display screen one, switch one and hinder and feel an integrative mouth.
The working principle is as follows: the load box builds an inductive load box, loads of three load modes of a resistive load box and a capacitive load box can respectively meet the load requirements of customers on the inductive load box, the resistive load box and the capacitive load box, a test power supply is connected into the inductive load box when the inductive load is needed, the test power supply is connected into the resistive load box when the resistive load is needed, the test power supply is connected into the capacitive load box when the capacitive load is needed, the comprehensive load box integrating three different loads is realized, meanwhile, the inductive load box, the resistive load box and the capacitive load box are combined to form the load box integrating resistance and capacitance by the arrangement of the left box body, the load box integrating resistance and capacitance can carry out load detection on a three-phase alternating current power supply, and three-phase inductive current and three-phase capacitive current are directly and independently displayed, the resonance point symptom is directly displayed on the first display screen. The minimum resolution of the resistive load, the inductive load and the capacitive load is 10W, the generation of alternating current resonance can be accurately simulated, the debugging and detecting requirements of the inverter can be met, and the maximum resolution of three-phase inductive current and three-phase capacitive current values is 1 mA. When the detected power supply and the resistance-inductance-capacitance integrated access port are connected, the load box can be simultaneously connected with the resistance load box, the capacitance load box and the inductance load box in the right box body, namely, the resistance load box, the capacitance load box and the inductance load box are simultaneously used for detecting the power supply, and the respective load current, voltage and other values are displayed, so that comparative analysis is facilitated.
Furthermore, the resistive load box comprises a resistance box, a fan arranged on the resistance box, an air outlet communicated with the resistive load box, a resistive load control module connected with the resistance box through a wire, a resistive load display screen arranged on the resistive load box, a second switch arranged on the resistive load box, and a resistive load access port arranged on the resistive load box, wherein the resistive load control module is connected with the resistive load display screen, the second switch and the resistive load access port through wires. The resistive load box is provided with a second independent switch, a resistive load access port, a resistive load control module and a resistive load display screen, so that the resistive load box can be independently used as a resistive load, and the function of one machine with multiple purposes is really realized.
Furthermore, the capacitive load box comprises a capacitor box, a fan arranged on the capacitor box, an air outlet communicated with the capacitive load box, a capacitive load control module connected with the resistor box through a lead, a capacitive load display screen arranged on the capacitive load box, a switch III arranged on the capacitive load box and a capacitive load access port arranged on the capacitive load box, wherein the capacitive load control module is connected with the capacitive load display screen, the switch III and the capacitive load access port through leads.
The capacitive load box is provided with the third independent switch, the capacitive load access port, the capacitive load control module and the capacitive load display screen, so that the resistive load box can be independently used as a resistive load, and capacitive load detection of the alternating current power supply is realized.
Furthermore, the inductive load box comprises an inductive box, a fan arranged on the inductive box, an air outlet communicated with the inductive load box, an inductive load control module connected with the inductive box through a lead, an inductive load display screen arranged on the inductive load box, a switch IV arranged on the capacitive load box, and an inductive load access port arranged on the inductive load box, wherein the inductive load control module is connected with the inductive load display screen, the switch IV and the inductive load access port through leads.
The inductive load box is provided with the independent switch IV, the inductive load access port, the inductive load control module and the inductive load display screen, so that the inductive load box can be independently used as an inductive load, and the inductive load detection of the alternating current power supply is realized.
Furthermore, a plurality of load resistors are arranged in the resistor box, the load resistors are alloy resistors, the load resistors are connected with the resistive load control module through wires, and the resistor box is communicated with the air outlet.
Furthermore, a plurality of capacitors are arranged in the capacitance box, the capacitors are connected with the capacitive load control module through leads, and the capacitance box is communicated with the air outlet.
Furthermore, an inductor is arranged in the inductor box, the inductor is connected with the inductive load control module through a wire, and the air outlet of the inductor box is communicated.
The integrated control module, the resistive load control module, the capacitive load control module and the inductive load control module all comprise circuit breakers and air switch display screen driving circuits.
The utility model has the advantages as follows:
1. the load box builds an inductive load box, loads of three load modes of a resistive load box and a capacitive load box can respectively meet the load requirements of customers on the inductive load box, the resistive load box and the capacitive load box, a test power supply is connected into the inductive load box when the inductive load is needed, the test power supply is connected into the resistive load box when the resistive load is needed, the test power supply is connected into the capacitive load box when the capacitive load is needed, the comprehensive load box integrating three different loads is realized, meanwhile, the inductive load box, the resistive load box and the capacitive load box are combined to form the load box integrating resistance and capacitance by the arrangement of the left box body, the load box integrating resistance and capacitance can carry out load detection on a three-phase alternating current power supply, and three-phase inductive current and three-phase capacitive current are directly and independently displayed, the resonance point symptom is directly displayed on the first display screen. The minimum resolution of the resistive load, the inductive load and the capacitive load is 10W, the generation of alternating current resonance can be accurately simulated, the debugging and detecting requirements of the inverter can be met, and the maximum resolution of three-phase inductive current and three-phase capacitive current values is 1 mA. When the detected power supply and the resistance-inductance-capacitance integrated access port are connected, the load box can be simultaneously connected with the resistance load box, the capacitance load box and the inductance load box in the right box body, namely, the resistance load box, the capacitance load box and the inductance load box are simultaneously used for detecting the power supply, and the respective load current, voltage and other values are displayed, so that comparative analysis is facilitated.
2. The resistive load box is provided with a second independent switch, a resistive load access port, a resistive load control module and a resistive load display screen, so that the resistive load box can be independently used as a resistive load, and the function of one machine with multiple purposes is really realized.
3. The capacitive load box is provided with the third independent switch, the capacitive load access port, the capacitive load control module and the capacitive load display screen, so that the resistive load box can be independently used as a resistive load, and capacitive load detection of the alternating current power supply is realized.
4. The inductive load box is provided with the independent switch IV, the inductive load access port, the inductive load control module and the inductive load display screen, so that the inductive load box can be independently used as an inductive load, and the inductive load detection of the alternating current power supply is realized.
Drawings
Fig. 1 is a cross-sectional view of the present invention;
fig. 2 is a side view of the present invention.
Reference numerals: 1-left box, 2-resistance-inductance-capacitance integrated access port, 3-integrated control room, 4-integrated control module, 5-air inlet, 6-switch I, 7-display screen I, 8-middle air inlet, 9-fan, 10-right box, 11-resistance box, 12-load resistance, 13-air outlet, 14-resistance load display screen, 15-switch II, 16-resistance load access port, 17-resistance load control module, 18-capacitance load display screen, 19-switch III, 20-capacitance load access port, 21-capacitance load control module, 22-capacitance box, 23-capacitor, 24-inductance load display screen, 25-switch IV, 26-inductance load access port, 27-inductive load control module, 28-inductive box, 29-inductance.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
In the description of the embodiments of the present invention, it should be noted that the terms "inside", "outside", "up", and the like indicate the directions or positional relationships based on the directions or positional relationships shown in the drawings, or the directions or positional relationships that the products of the present invention are conventionally placed when used, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the term refers must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention.
Example 1
As shown in fig. 1 to 2, this embodiment provides a resistance-capacitance load box, which includes a box body, the box body includes a left box body 1 and a right box body 10, the right box body 10 includes a resistive load box, a capacitive load box and a sensitive load box in sequence from top to bottom, the resistive load box, the capacitive load box and the sensitive load box are all provided with a middle air inlet 8, the middle air inlet 8 is communicated with the left box body 1, the left box body 1 is provided with an air inlet 5 communicated with the left box body 1, the left box body 1 is further provided with an integrated control module 4, the integrated control module 4 and the resistive load box, the capacitive load box and the inductive load box are connected through a wire, a display screen I7, a switch I6 and a resistance-inductance-capacitance integrated access port 2 are arranged on the left box body 1, and the display screen I7, the switch I6 and the resistance-inductance-capacitance integrated access port 2 are all connected with the integrated control module 4 through wires.
The resistance load box comprises a resistance box 11, a fan 9 arranged on the resistance box 11, an air outlet 13 communicated with the resistance load box, a resistance load control module 17 connected with the resistance box 11 through a wire, a resistance load display screen 14 arranged on the resistance load box, a second switch 15 arranged on the resistance load box and a resistance load access port 16 arranged on the resistance load box, wherein the resistance load control module 17 is connected with the resistance load display screen 14, the second switch 15 and the resistance load access port 16 through wires. The second independent switch 15, the resistive load access port 16, the resistive load control module 17 and the resistive load display screen 14 are arranged on the resistive load box, so that the resistive load box can be independently used as a resistive load, and the function of one machine with multiple purposes is really realized.
A plurality of load resistors 12 are arranged in the resistor box 11, the load resistors 12 are alloy resistors, the load resistors 12 are connected with the resistive load control module 17 through conducting wires, and the resistor box 11 is communicated with the air outlet 13.
Example 2
As shown in fig. 1 to 2, this embodiment provides a resistance-capacitance load box, which includes a box body, the box body includes a left box body 1 and a right box body 10, the right box body 10 includes a resistive load box, a capacitive load box and a sensitive load box in sequence from top to bottom, the resistive load box, the capacitive load box and the sensitive load box are all provided with a middle air inlet 8, the middle air inlet 8 is communicated with the left box body 1, the left box body 1 is provided with an air inlet 5 communicated with the left box body 1, the left box body 1 is further provided with an integrated control module 4, the integrated control module 4 and the resistive load box, the capacitive load box and the inductive load box are connected through a wire, a display screen I7, a switch I6 and a resistance-inductance-capacitance integrated access port 2 are arranged on the left box body 1, and the display screen I7, the switch I6 and the resistance-inductance-capacitance integrated access port 2 are all connected with the integrated control module 4 through wires.
The inductive load box comprises an inductive box 28, a fan 9 arranged on the inductive box 28, an air outlet 13 communicated with the inductive load box, an inductive load control module 27 connected with the inductive box 28 through a lead, an inductive load display screen 24 arranged on the inductive load box, a switch IV 25 arranged on the capacitive load box, and an inductive load access 26 arranged on the inductive load box, wherein the inductive load control module 27, the inductive load display screen 24, the switch IV 25 and the inductive load access 26 are all connected through leads.
The inductive load box is provided with an independent switch IV 25, an inductive load access port 26, an inductive load control module 27 and an inductive load display screen 24, so that the inductive load box can be independently used as an inductive load, and the inductive load detection of the alternating current power supply is realized. An inductor 29 is arranged in the inductor box 28, the inductor 29 is connected with the inductive load control module 27 through a conducting wire, and the air outlet 13 of the inductor box 28 is communicated.
Example 3
As shown in fig. 1 to 2, this embodiment provides a resistance-capacitance load box, which includes a box body, the box body includes a left box body 1 and a right box body 10, the right box body 10 includes a resistive load box, a capacitive load box and a sensitive load box in sequence from top to bottom, the resistive load box, the capacitive load box and the sensitive load box are all provided with a middle air inlet 8, the middle air inlet 8 is communicated with the left box body 1, the left box body 1 is provided with an air inlet 5 communicated with the left box body 1, the left box body 1 is further provided with an integrated control module 4, the integrated control module 4 and the resistive load box, the capacitive load box and the inductive load box are connected through a wire, a display screen I7, a switch I6 and a resistance-inductance-capacitance integrated access port 2 are arranged on the left box body 1, and the display screen I7, the switch I6 and the resistance-inductance-capacitance integrated access port 2 are all connected with the integrated control module 4 through wires.
The capacitive load box comprises a capacitor box 22, a fan 9 arranged on the capacitor box 22, an air outlet 13 communicated with the capacitive load box, a capacitive load control module 21 connected with the resistor box 11 through a lead, a capacitive load display screen 18 arranged on the capacitive load box, a switch three 19 arranged on the capacitive load box and a capacitive load access port 20 arranged on the capacitive load box, wherein the capacitive load control module 21, the capacitive load display screen 18, the switch three 19 and the capacitive load access port 20 are all connected through leads.
The capacitive load box is provided with the independent switch III 19, the capacitive load access port 20, the capacitive load control module 21 and the capacitive load display screen 18, so that the resistive load box can be independently used as a resistive load, and capacitive load detection of the alternating current power supply is realized. The capacitor box 22 is internally provided with a plurality of capacitors 23, the capacitors 23 are connected with the capacitive load control module 21 through leads, and the capacitor box 22 is communicated with the air outlet 13.
The integrated control module 4, the resistive load control module 17, the capacitive load control module 21 and the inductive load control module 27 all comprise circuit breakers and air switch display screen driving circuits.
Claims (7)
1. The utility model provides a hinder and feel load case, the power distribution box comprises a box body, a serial communication port, the box includes left side box (1) and right side box (10), from last hindering nature load case, capacitive load case and the inductive load case of including in proper order down in right side box (10), hindering nature load case, capacitive load case and inductive load case all are provided with middle air intake (8), middle air intake (8) are linked together with left side box (1), be provided with air intake (5) with left side box (1) intercommunication in left side box (1), still be provided with integrative control module (4) in left side box (1), integrative control module (4) and hindering nature load case, capacitive load case and inductive load case pass through the wire and are connected, be provided with display screen (7) on left side box (1), switch (6) and hinder and feel integrative access mouth (2), display screen (7) are, The first switch (6) and the resistance-inductance-capacitance integrated access port (2) are connected with the integrated control module (4) through leads.
2. The resistance-capacitance load box according to claim 1, wherein the resistance load box comprises a resistance box (11), a fan (9) arranged on the resistance box (11), an air outlet (13) communicated with the resistance load box, a resistance load control module (17) connected with the resistance box (11) through a wire, a resistance load display screen (14) arranged on the resistance load box, a second switch (15) arranged on the resistance load box, and a resistance load access port (16) arranged on the resistance load box, and the resistance load control module (17) is connected with the resistance load display screen (14), the second switch (15) and the resistance load access port (16) through wires.
3. The resistance-inductance-capacitance load box according to claim 1, characterized in that the capacitive load box comprises a capacitor box (22), a fan (9) arranged on the capacitor box (22), an air outlet (13) communicated with the capacitive load box, a capacitive load control module (21) connected with the resistor box (11) through a lead, a capacitive load display screen (18) arranged on the capacitive load box, a switch three (19) arranged on the capacitive load box and a capacitive load access port (20) arranged on the capacitive load box, wherein the capacitive load control module (21) is connected with the capacitive load display screen (18), the switch three (19) and the capacitive load access port (20) through leads.
4. The resistance-inductance-capacitance load box according to claim 1, characterized in that the inductive load box comprises an inductive box (28), a fan (9) arranged on the inductive box (28), an air outlet (13) communicated with the inductive load box, an inductive load control module (27) connected with the inductive box (28) through a lead, an inductive load display screen (24) arranged on the inductive load box, a switch four (25) arranged on the capacitive load box and an inductive load access (26) arranged on the inductive load box, wherein the inductive load control module (27) is connected with the inductive load display screen (24), the switch four (25) and the inductive load access (26) through leads.
5. The resistance-capacitance load box according to claim 2, characterized in that a plurality of load resistors (12) are arranged in the resistance box (11), the load resistors (12) are alloy resistors, the load resistors (12) are connected with the resistive load control module (17) through wires, and the resistance box (11) is communicated with the air outlet (13).
6. The resistance-capacitance load box according to claim 3, characterized in that a plurality of capacitors (23) are arranged in the capacitance box (22), the capacitors (23) are connected with the capacitance load control module (21) through wires, and the capacitance box (22) is communicated with the air outlet (13).
7. The RC load box of claim 4, wherein an inductor (29) is disposed in the inductor box (28), the inductor (29) is connected to the inductive load control module (27) through a wire, and the air outlet (13) of the inductor box (28) is communicated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020099678.0U CN212060527U (en) | 2020-01-17 | 2020-01-17 | Resistance-capacitance load box |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020099678.0U CN212060527U (en) | 2020-01-17 | 2020-01-17 | Resistance-capacitance load box |
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| CN212060527U true CN212060527U (en) | 2020-12-01 |
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| CN202020099678.0U Active CN212060527U (en) | 2020-01-17 | 2020-01-17 | Resistance-capacitance load box |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113295895A (en) * | 2021-04-13 | 2021-08-24 | 广东电网有限责任公司广州供电局 | Load device |
| CN114062960A (en) * | 2021-11-16 | 2022-02-18 | 河北凯翔电气科技股份有限公司 | Data center standby power supply testing system and testing method thereof |
| CN114137433A (en) * | 2021-11-29 | 2022-03-04 | 南方电网电力科技股份有限公司 | Integrated platform for emergency power supply test |
-
2020
- 2020-01-17 CN CN202020099678.0U patent/CN212060527U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113295895A (en) * | 2021-04-13 | 2021-08-24 | 广东电网有限责任公司广州供电局 | Load device |
| CN114062960A (en) * | 2021-11-16 | 2022-02-18 | 河北凯翔电气科技股份有限公司 | Data center standby power supply testing system and testing method thereof |
| CN114137433A (en) * | 2021-11-29 | 2022-03-04 | 南方电网电力科技股份有限公司 | Integrated platform for emergency power supply test |
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