CN205581157U - But integration load box is felt to power factor linearity resistance trimming - Google Patents
But integration load box is felt to power factor linearity resistance trimming Download PDFInfo
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- CN205581157U CN205581157U CN201520833442.4U CN201520833442U CN205581157U CN 205581157 U CN205581157 U CN 205581157U CN 201520833442 U CN201520833442 U CN 201520833442U CN 205581157 U CN205581157 U CN 205581157U
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Abstract
The utility model discloses a but integration load box is felt to power factor linearity resistance trimming, including cooling system, high temperature protection and warning system, the adjustable circuit of resistive load, hindering nature load circuit, the adjustable circuit of inductive load and perceptual load circuit, high temperature protection is connected cooling system with the warning system, and the adjustable circuit of resistive load, hindering nature load circuit, the adjustable circuit of inductive load and perceptual load circuit are connected with the warning system with high temperature protection respectively, the adjustable circuit of resistive load, hindering nature load circuit, the adjustable circuit of inductive load and perceptual load circuit are the parallel connection structure. The utility model discloses simple structure can accurate output and the load bearing capability who tests generating set, all kinds of data center UPS etc to can include that the dynamic parameter tests to all electrical parameters of its equipment group. Power factor cos phi 0 1 it is adjustable, but active power and reactive power exclusive use, and also multiple load is simulated in nimble combination wantonly, can reach infinitely variable control.
Description
Technical field
This utility model relates to machinery support equipment technical field, is specifically related to a kind of load box for the equipment Inspections such as generating set, data center UPS Yu maintenance.
Background technology
The load cabinet of domestic production at present, or be purely resistive, i.e. cos φ=1；Be that power factor is fixed, i.e. cos φ=0.8, impedance and induction reactance can not individually or independent assortment use.Can accomplish that power factor is adjustable the most on a small quantity, but it is achieved in that the impedance by a different resistance of big string and induction reactance, power factor is realized adjustable by laminated brush switch gear selecting, but this implementation is dumb and precision is the highest, step-less adjustment can not be accomplished, there is the shortcomings such as fault rate is high, cost is high, manufacturing process is complicated.
Utility model content
The technical problems to be solved in the utility model be to provide a kind of simple in construction, reasonable in design, can the arbitrarily multiple load of flexible combination simulation, the linear adjustable resistance sense integration load box of infinitely variable power factor.
For solving above-mentioned technical problem; this utility model adopts the following technical scheme that a kind of linear adjustable resistance sense integration load box of power factor; it is characterized in that: include cooling system, high temperature protection and warning system, resistive load conditioned circuit, resistive load circuit, inductive load conditioned circuit and perceptual load circuit; high temperature protection is connected cooling system with warning system, and resistive load conditioned circuit, resistive load circuit, inductive load conditioned circuit and perceptual load circuit are connected with warning system with high temperature protection respectively；Resistive load conditioned circuit, resistive load circuit, inductive load conditioned circuit and perceptual load circuit are parallel connection structure；Described resistive load conditioned circuit includes the resistive heating wire of solid-state relay, adjustable resistance and parallel connection, and adjustable resistance connects solid-state relay；Resistive load circuit includes the resistive heating wire of parallel connection；Described inductive load conditioned circuit includes the reactor of solid-state relay, adjustable resistance and parallel connection, and adjustable resistance connects solid-state relay；Resistive load circuit includes the reactor of parallel connection.
Further, described resistive load conditioned circuit connects resistive load adjusting knob, and resistive load adjusting knob connects high temperature protection and warning system；Described inductive load conditioned circuit connects inductive load adjusting knob, and inductive load adjusting knob connects high temperature protection and warning system.
Further, described high temperature protection and warning system include the temperature controller of alarm part, buzzer and auxiliary reclay, and temperature controller connects cooling system by an auxiliary reclay, and buzzer passes through another auxiliary reclay connection circuit input；Also include some groups of subelements of high temperature protection part; the each corresponding one group of subelement of resistive load conditioned circuit, resistive load circuit, inductive load conditioned circuit and perceptual load circuit; often group subelement includes chopper and some shunt releases; the each shunt release being wherein connected with resistive load conditioned circuit and resistive load circuit is connected one to one resistive heating wire by resistive load adjusting knob, and each shunt release being connected with inductive load conditioned circuit and perceptual load circuit is connected one to one reactor by inductive load adjusting knob.
Further, described cooling system includes Switching Power Supply and radiator fan, and Switching Power Supply connects radiator fan, and radiator fan connects temperature controller；Switching Power Supply connects power input.
This utility model simple in construction, application electronic component few, can accurately test output and the load capacity of generating set, Various types of data center UPS etc., and its all electrical quantity of equipment group can be included that dynamic parameter is tested, the detection for new unit load capacity provides scientific basis.0-1 is adjustable for its powerfactorcosφ, and active power and reactive power can be used alone, it is also possible to arbitrarily flexible combination, such that it is able to simulate multiple load, can reach step-less adjustment；Can single-phase test, three-phase equilibrium test, three-phase imbalance test；Have that strong adaptability, dynamic response be fast, high reliability.
Accompanying drawing explanation
Fig. 1 is this utility model Circuits System schematic diagram.
In figure, 1 is cooling system, and AC/DC is Switching Power Supply; FAN is radiator fan, and 2 is high temperature protection and warning system, and QF is chopper; YO is shunt release; TS is temperature controller, and LZ is buzzer, and KA is auxiliary reclay; 3 is resistive load conditioned circuit; SSR is solid-state relay, and RS is adjustable resistance, and R is resistive heating wire; 4 is resistive load adjusting knob; 5 is resistive load circuit, and 6 is inductive load conditioned circuit, and SSR is solid-state relay; RS is adjustable resistance; L is reactor, and 7 is inductive load adjusting knob, and 8 is perceptual load circuit.
Detailed description of the invention
In the present embodiment; with reference to Fig. 1; the linear adjustable resistance sense integration load box of described power factor; including cooling system 1, high temperature protection and warning system 2, resistive load conditioned circuit 3, resistive load circuit 5, inductive load conditioned circuit 6 and perceptual load circuit 8; high temperature protection is connected cooling system with warning system 2, and resistive load conditioned circuit 3, resistive load circuit 5, inductive load conditioned circuit 6 and perceptual load circuit 8 are connected with warning system 2 with high temperature protection respectively；Resistive load conditioned circuit 3, resistive load circuit 5, inductive load conditioned circuit 6 and perceptual load circuit 8 are parallel connection structure；Described resistive load conditioned circuit 3 includes that the resistive heating wire R1-3, adjustable resistance RS1-3 of solid-state relay SSR1-3, adjustable resistance RS1-3 and parallel connection connects solid-state relay SSR1-3 respectively；Resistive load circuit 3 includes the resistive heating wire R4-6 of parallel connection；Described inductive load conditioned circuit 6 includes that the reactor L1-3 of solid-state relay SSR4-6, adjustable resistance RS4-6 and parallel connection, adjustable resistance RS4-6 connect solid-state relay SSR4-6 respectively；Resistive load circuit 8 includes the reactor L4-6 of parallel connection.Resistive load and inductive load are parallel relationship.
Described resistive load conditioned circuit 3 connects resistive load adjusting knob 4, and resistive load adjusting knob 4 connects high temperature protection and warning system 2；Described inductive load conditioned circuit 6 connects inductive load adjusting knob 7, and inductive load adjusting knob 7 connects high temperature protection and warning system 2.
Described high temperature protection and warning system 2 include the temperature controller TS1-3 of alarm part, buzzer LZ1 and auxiliary reclay KA1; temperature controller TS1-3 connects cooling system 1 by an auxiliary reclay KA1, and buzzer LZ1 passes through another auxiliary reclay KA1 connection circuit input；Also include four groups of subelements of high temperature protection part, resistive load conditioned circuit 3, resistive load circuit 5, inductive load conditioned circuit 6 and each corresponding one group of subelement of perceptual load circuit 8, often group subelement includes three circuit breaker Q F and a shunt release YO, the each shunt release being wherein connected with resistive load conditioned circuit 3 and resistive load circuit 5 is connected one to one resistive heating wire R1-6 by resistive load adjusting knob 4, the each shunt release being connected with inductive load conditioned circuit 6 and perceptual load circuit 8 is connected one to one reactor L1-6 by inductive load adjusting knob 7.
Described cooling system 1 includes Switching Power Supply AC/DC and radiator fan FAN1-5, and Switching Power Supply connects radiator fan, and radiator fan connects temperature controller；Switching Power Supply connects power input.
When there is high temperature, temperature controller detects high temperature action, auxiliary reclay KA1 energized action, and then the coil energized action cut-off breaker of shunt release cuts off load and buzzer LZ1 reports to the police；After temperature declines, buzzer LZ1 reports to the police and automatically resets, and presses shunt release button and can close a floodgate chopper.
Solid-state relay is a kind of contactless electronic beam switch, is mainly made up of input (control) circuit, drive circuit and output (load) circuit three part.Input circuit is to provide a loop for input control signal, makes the trigger signal source of solid-state relay；Drive circuit includes isolation coupling circuit, functional circuit and triggering circuit three part；Output circuit is under the control triggering signal, it is achieved the break-make switching of solid-state relay.By when input applies suitable control signal, SSR will turn on；When control signal is cancelled, when load current maintains electric current less than controllable silicon, SSR turns off.When inputting control signal and being smooth step-less adjustment, output is also smooth stepless.
The output of solid-state relay is under the control triggering signal, it is achieved the break-make switching of solid-state relay.The operation principle of solid-state relay is divided into the corresponding input/output signal of four-stage different capacity, and when silicon controlled trigger signal (input signal) is in different trigger position, the corresponding angle of flow is the most different, i.e. output is the most different.Trigger signal and have several form, have adjustable voltage triggering, adjustable current triggering, adjustable resistance to trigger；Take is adjustable resistance triggering mode (various triggering signals are attained by identical result) herein.Adjustable potential meter corresponding to different electric pressures is different, respectively 110V/250K Ω, 220V/500K Ω and 380V/1M Ω；Adjustable potential meter linearly changes, and when input triggering signal is linearly to change, now output is also linear change, can accomplish that output smooths stepless change according to this principle, thus realize stable and power output reliably.
Load operation citing: having a 50kVA, power factor is the generating set of 0.8, now need to carry out full load test, first connect with the mains line, close total power switch, open blower fan, then pull on module faceplate corresponding power operating switch to " ON " position, as gear does not has the power of just correspondence, accurate active power 40KW and reactive power 30KVAR, real simulation generator set actual motion environment is realized again with the use of power regulating knob.
Below this utility model is described in detail, the above, the only preferred embodiment of this utility model, when not limiting this utility model practical range, the most all made impartial change according to the application scope and modified, all should still be belonged in this utility model covering scope.
Claims (4)
1. the linear adjustable resistance sense integration load box of power factor; it is characterized in that: include cooling system, high temperature protection and warning system, resistive load conditioned circuit, resistive load circuit, inductive load conditioned circuit and perceptual load circuit; high temperature protection is connected cooling system with warning system, and resistive load conditioned circuit, resistive load circuit, inductive load conditioned circuit and perceptual load circuit are connected with warning system with high temperature protection respectively；Resistive load conditioned circuit, resistive load circuit, inductive load conditioned circuit and perceptual load circuit are parallel connection structure；Described resistive load conditioned circuit includes the resistive heating wire of solid-state relay, adjustable resistance and parallel connection, and adjustable resistance connects solid-state relay；Resistive load circuit includes the resistive heating wire of parallel connection；Described inductive load conditioned circuit includes the reactor of solid-state relay, adjustable resistance and parallel connection, and adjustable resistance connects solid-state relay；Resistive load circuit includes the reactor of parallel connection.
The linear adjustable resistance sense integration load box of power factor the most according to claim 1, it is characterised in that: described resistive load conditioned circuit connects resistive load adjusting knob, and resistive load adjusting knob connects high temperature protection and warning system；Described inductive load conditioned circuit connects inductive load adjusting knob, and inductive load adjusting knob connects high temperature protection and warning system.
The linear adjustable resistance sense integration load box of power factor the most according to claim 2; it is characterized in that: described high temperature protection and warning system include the temperature controller of alarm part, buzzer and auxiliary reclay; temperature controller connects cooling system by an auxiliary reclay, and buzzer passes through another auxiliary reclay connection circuit input；Also include some groups of subelements of high temperature protection part; the each corresponding one group of subelement of resistive load conditioned circuit, resistive load circuit, inductive load conditioned circuit and perceptual load circuit; often group subelement includes chopper and some shunt releases; the each shunt release being wherein connected with resistive load conditioned circuit and resistive load circuit is connected one to one resistive heating wire by resistive load adjusting knob, and each shunt release being connected with inductive load conditioned circuit and perceptual load circuit is connected one to one reactor by inductive load adjusting knob.
The linear adjustable resistance sense integration load box of power factor the most according to claim 3, it is characterised in that: described cooling system includes Switching Power Supply and radiator fan, and Switching Power Supply connects radiator fan, and radiator fan connects temperature controller；Switching Power Supply connects power input.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520833442.4U CN205581157U (en) | 2015-10-22 | 2015-10-22 | But integration load box is felt to power factor linearity resistance trimming |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520833442.4U CN205581157U (en) | 2015-10-22 | 2015-10-22 | But integration load box is felt to power factor linearity resistance trimming |
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| Publication Number | Publication Date |
|---|---|
| CN205581157U true CN205581157U (en) | 2016-09-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520833442.4U Withdrawn - After Issue CN205581157U (en) | 2015-10-22 | 2015-10-22 | But integration load box is felt to power factor linearity resistance trimming |
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| CN (1) | CN205581157U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105242080A (en) * | 2015-10-22 | 2016-01-13 | 飞尔特能源(东莞)有限公司 | Power factor linearity adjustable resistance integrated load case |
| CN109116885A (en) * | 2018-08-24 | 2019-01-01 | 北京无线电计量测试研究所 | The active balancing control device and method of thermal power in quantum voltage standard set-up |
-
2015
- 2015-10-22 CN CN201520833442.4U patent/CN205581157U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105242080A (en) * | 2015-10-22 | 2016-01-13 | 飞尔特能源(东莞)有限公司 | Power factor linearity adjustable resistance integrated load case |
| CN109116885A (en) * | 2018-08-24 | 2019-01-01 | 北京无线电计量测试研究所 | The active balancing control device and method of thermal power in quantum voltage standard set-up |
| CN109116885B (en) * | 2018-08-24 | 2020-12-04 | 北京无线电计量测试研究所 | Active balance control device and method for thermal power in quantum voltage standard device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160914 Effective date of abandoning: 20180515 |