CN205607665U - Simulation load box - Google Patents

Abstract

The utility model provides a simulation load box, including the PTC load that is used for simulating target device and is connected with the control unit, be used for to the AC or the DC power of PTC load power supply, this AC or DC power are connected with rectifier unit, man -machine unit including display screen and button, a temperature measuring unit for measure the temperature, a control unit for receiving come from central processing unit's instruction and control the PTC load, a communication unit for information transmission, central processing unit is connected respectively with acquisition unit, the control unit, man -machine unit, communication unit and temperature measuring unit, receives the information that comes from acquisition unit, man -machine unit, communication unit and temperature measuring unit to control the PTC load through the control unit, and be used for to the power module of simulation load box power supply. The utility model discloses can simulate target device in test procedure generates heat to test for computer lab heat dissipation or refrigerating system provides accurate and reliable foundation.

Description

Simulation load box

Technical field

This utility model relates to simulation load box, particularly relates to the heat radiation for machine room and power test and arranges Simulation load box.

Background technology

In existing machine room, various types of target devices (such as server) need to dissipate in the course of the work Sending out heat substantial amounts of, the too high performance rapid drawdown being likely to result in target device of the temperature of target device, this is just to machine The heat radiation in room or refrigerating function propose higher requirement.Heat radiation or refrigeration system at machine room formally come into operation Before, it usually needs this system testing to guarantee, it can reach certain requirement.Such as, some In the case of platform target device is properly functioning, the indoor temperature of machine room is maintained at certain level.And in test During, if using real target device to test, it is likely that cause unnecessary loss and wave Take.It practice, real target device also is difficult to reach test purpose, because their power and temperature are often It is uncontrolled.It is thus desirable to a kind of simulation that simulation target device generates heat when running in above-mentioned test process is born Carry case.Additionally, machine room or environment similar therewith also have higher wanting to aspects such as electric power dispensing, UPS performances Ask.Therefore, it is also desirable to stable negative can be provided when the Power Projects such as power supply or uninterrupted power source are tested The simulation load box carried.

Utility model content

The utility model proposes a kind of simulation load box, it is possible in test process, simulate target device heating, Thus the test for machine room heat radiation or refrigeration system provides foundation accurately and securely.Simultaneously, moreover it is possible to testing Journey is simulated the loading condition of target device, thus the test for machine room power system provides accurately, depends on reliably According to.

The utility model proposes a kind of simulation load box, including: PTC loads, for simulated target equipment, and And be connected with control unit；One or more AC or D/C power, be used for described PTC load supplying, Described AC or D/C power are connected with rectification unit, and described rectification unit is connected to described control via collecting unit Unit processed；Man-machine unit, including display screen and button；Temperature measuring unit, is used for measuring in described simulation load box Outer temperature；Control unit, for receiving the instruction from central processing unit, and it is negative to control described PTC Carry；Communication unit, for described simulation load box and the transmission of extraneous information；Described central processing unit, with institute State collecting unit, described control unit, described man-machine unit, described communication unit and described temperature measuring unit respectively Connect, receive from described collecting unit, described man-machine unit, described communication unit and described temperature measuring unit Information, and control described PTC load by described control unit；And power module, for institute State simulation load box to power.

In a preferred embodiment, the radiation air for providing heat radiation for described simulation load box is also included Fan.In another preferred embodiment, the main power source powered to described power module is also included.Further, Described display screen show the temperature value inside and outside described simulation load box and with the one or more AC or DC The information that power supply is relevant.

Preferably, via described man-machine unit can realize in the following one or more: bear to described simulation Case is power on/off, set the target power of described simulation load box, set the outside of described simulation load box for load Temperature.In a preferred embodiment, the target power setting described simulation load box includes setting constant merit Rate or setting power curve；The external temperature setting described simulation load box includes setting steady temperature or setting Fixed temperature curve.

Additionally, when the internal temperature of the described simulation load box that described temperature measuring unit is measured is more than a threshold value, institute Stating central processing unit indicates described control unit to described PTC load power down.Preferably, described PTC load Quantity be one or more, when exist multiple PTC load time, described control unit can simultaneously give described many One or more energisings in individual PTC load and/or power-off.

Accompanying drawing explanation

The purpose of accompanying drawing is to provide and is further understood from present disclosure.Accompanying drawing shows present disclosure Embodiment, and the effect explaining present disclosure principle is together played with this specification.Combining accompanying drawing and reading After the following embodiment to specific non-limiting present disclosure, the technical scheme of present disclosure and Its advantage will become clear from.Wherein:

Fig. 1 shows the system architecture according to simulation load box of the present utility model.

Detailed description of the invention

With reference to non-limiting example that is illustrated in the accompanying drawings and that describe in detail in the following description, more completely illustrate Multiple technical characteristics of present disclosure and Advantageous details.Further, below description have ignored known original material The description of material, treatment technology, assembly and equipment, in order to avoid unnecessarily obscuring the technical essential of present disclosure. But, skilled artisans appreciate that, when being described below the embodiment of present disclosure, describe It is only used as way of illustration and not by way of limitation with particular example to be given.

In the case of any possible, identical labelling will be used to represent same or analogous in all of the figs Part.Although additionally, the term used in present disclosure is to select from public term, but Some terms being mentioned in the description of present disclosure are probably disclosure people by his or her judgement Select, the explanation in the relevant portion of description herein of its detailed meanings.Additionally, require not only by The actual terms used, and be also to the meaning by each term is contained and understand present disclosure.

Fig. 1 shows the system architecture according to simulation load box of the present utility model, including AC/DC electricity Source 101, rectification unit 106, collecting unit 107, control unit 108, PTC (Positive Temperature Coefficient positive temperature coefficient) load 109, central processing unit 110, man-machine unit 112, temperature measuring unit 111, communication unit 105, power module 103, main power source 102 and radiator fan 104.

Embodiment shown in Fig. 1 includes 4 AC/DC power supplys 101, and those skilled in the art can basis It is actually needed and more or less power supply is set.The effect of AC/DC power supply 101 is in simulation load box PTC load 109 power supply.Be connected with power supply 101 is rectification unit 106, in a preferred embodiment, Full bridge rectifier can be used, AC or the rectified rear unification of D/C power of input are obtained D/C power and enter Row processes.The advantage arranging rectification unit 106 is can to avoid being respectively provided with two for AC power supplies, D/C power Individual interface, such only one interface just can meet AC and D/C power simultaneously.

Rectification unit 106 is connected with collecting unit 107, and collecting unit 107 is responsible for gathering the phase of power supply 101 Pass information, and this relevant information is transferred to central processing unit 110.In a preferred embodiment, voltage Electric resistance partial pressure can be used, then through signal isolating amplifier circuit, filter circuit (isolating amplifier circuit, filtering Circuit broadly falls into a part for collecting unit 107, the most individually lists in block diagram), finally deliver to central processing unit 110AD mouth is acquired.In another preferred embodiment, electric current can use diverter to obtain difference Voltage, then through signal isolating amplifier circuit, filter circuit (not shown), finally deliver to central processing unit 110 AD mouth is acquired.

Above-mentioned collecting unit 107 is connected with control unit 108 and central processing unit 110 the most respectively.This control Unit 108 is also connected with central processing unit 110, for receiving the instruction from central processing unit 110, and PTC load 109 is controlled according to this instruction.Such as, when simulation load box brings into operation, central processing unit 110 are sent to the instruction of one or more PTC load 109 energising, control unit 108 to control unit 108 Corresponding PTC load 109 energising is given according to this instruction.When test end or simulation load box heating cause When own temperature is too high, control unit 108 can be according to the instruction from central processing unit 110 to accordingly PTC load 109 carries out power down process (high temperature self-protective mechanism).Control unit 108 can comprise control and drive Dynamic two parts, control part is completed by central processing unit 110, and drive part is by transistor and DC solid relay Device completes, and every road PTC load is provided with a set of independent driving.It addition, DC solid-state relay heating itself Severity, the most each solid-state relay is provided with a radiator, then passes through fan cooling.

The effect of the PTC load 109 that control unit 108 is controlled is that simulated target equipment is (in such as machine room Server) run time heating or the load of simulated target equipment, its rated power and quantity can be by this area Those of ordinary skill is arranged according to the needs of actual test case, four shown in Fig. 1 PTC load 109 Purpose merely for example.In a preferred embodiment, the rated value of single PTC load can be set For such as 1.5kw/220V, those of ordinary skill in the art can also be arranged as required to other rated value. One of ordinary skill in the art will appreciate that at a time, this simulation load box can enable one PTC loads, it is also possible to enable more than one PTC load simultaneously.

The man-machine unit 112 being connected with central processing unit 110 includes that display screen (includes but not limited to TFT LCDs, LCD dot matrix screen etc.) and multiple button (physical button or virtual touch button), to realize Human computer conversation.Tester can be started by this man-machine unit 112 or be closed simulation load box, it is also possible to defeated Enter the relevant informations such as required performance number, temperature value.Wherein, display screen can show fictitious load box body Inside and outside relevant information, the most sometime or each stipulated time point (as every 10 or 30 minutes) Voltage that temperature inside and outside casing is relevant with internal electric source or current information, currently practical performance number, reality Power curve etc..

Except controlling simulation load box by man-machine unit 112, it is also possible to realized by communication unit 105 Long-range control to this simulation load box.In one embodiment, this communication unit 105 can be by wired or nothing Line is connected to the management control system of machine room, can by self obtain relevant information (temperature information inside and outside casing, The current power of simulation load box or the power curve in a period of time, relevant voltage x current information etc.) transmission To this management control system；It also is able to receive the instruction from this management control system simultaneously, includes but not limited to Set firm power (or power curve), set steady temperature (or temperature curve) etc..

The temperature measuring unit 111 being connected with above-mentioned central processing unit 110 is used for measuring temperature, bears including measure analog Carry the temperature that case is inside and outside.In one embodiment, this temperature measuring unit 111 can use NTC temperature to pass Sensor, wherein 3 tunnels are for measuring the temperature of box house, and other 5 tunnels are for the temperature of measure case external body. It will be understood by those skilled in the art that measure case inside and outside temperature sensor quantity can according to actual needs and Fixed.

In another embodiment, the internal mode using voltage of this temperature measuring unit 111, filtered after give It is acquired to central processing unit 110AD mouth.Wherein, the temperature measuring box house can be used for protection simulation The operation of load box self and safety, such as, when the temperature of box house is more than a predetermined threshold value, simulation is negative Carry case and can automatically give PTC load power down.The temperature of measure case external body is available for tester for analyzing machine The distribution of the heat radiation/refrigeration system in room and ruuning situation.

Above-mentioned central processing unit 110 controls the operation of whole simulation load box.The functional packet of central processing unit 110 Include reception to be gathered from man-machine unit 112 or the command information of communication unit 105, reception collecting unit 107 Power supply relevant information, analyze above-mentioned command information and take corresponding action (such as, according to input power Value calculates the dutycycle of PTC load), send control instruction to control unit 108, receive from thermometric list The temperature data of unit 111, it is judged that whether the internal temperature of fictitious load box body exceedes threshold value, and when simulation The internal temperature of load box takes corresponding action etc. when exceeding threshold value.

In one embodiment, central processing unit 110 receives the firm power being set by man-machine unit 112 Value.After calculating the energising dutycycle of corresponding PTC load 109, central processing unit 110 is by control instruction It is sent to control unit 108.Control unit 108 loads to corresponding PTC according to the control instruction received 109 are energized according to the dutycycle specified, so that the operating power of simulation load box is stable in setting before Value.It will be appreciated by persons skilled in the art that central processing unit 110 can select to one or more PTC Load 109 energising.Such as, the rated value of single PTC load is 1.5kw/220V, and the constant merit set Rate is 1kw, then central processing unit 110 may indicate that control unit 108 is only energized to a PTC load, Can also indicate that control unit is energized, by different energising dutycycles all to more than one PTC load simultaneously The firm power of 1kw can be realized.

In another embodiment, when simulation load box runs, central processing unit 110 can be according to from people The temperature information that the input of machine unit 112 and/or temperature measuring unit 111 are transmitted adjusts this simulation load box at any time Operation.Such as, central processing unit 110 receives a constant temperature angle value being set by man-machine unit 112. In a preferred embodiment, if the external temperature value of present day analog load box is less than this constant temperature angle value, then Central processing unit 110 may indicate that control unit 108 is energized to the most available PTC load 109, and makes These PTC load 109 oeprations at full load, to reach constant temperature angle value as early as possible.If current external temperature value Higher than constant temperature angle value, then central processing unit 110 may indicate that control unit 108 is currently running to one or more PTC load 109 power-off or adjust its energising dutycycle, to reduce the heat that load running distributes, until Reach the steady temperature set.This point is disposed particularly significant for the position being supported in machine room.

In yet another preferred embodiment, threshold is preset when alreading more than one from the temperature value of temperature measuring unit 111 During value, central processing unit 110 can be sent to one or more PTC to control unit 108 and load 109 power-off Instruction so that the temperature in the inner and/or outer portion of simulation load box is maintained at the level suitably preset.

The radiator fan 104 into simulation load box heat radiation is may also include according to simulation load box of the present utility model And power module 103, this power module 103 is powered by main power source (AC or DC) 102, and is Central processor 110, control unit 108 and radiator fan 104 etc. are powered.In one embodiment, this power supply Module 103 uses Switching Power Supply, and input AC or DC is compatible, exports 12V and 5V.

Although embodiments more of the present utility model are described in present specification, but to this Skilled person is it is readily apparent that these embodiments are merely possible to shown in example.Art technology Personnel it is contemplated that numerous flexible program, replacement scheme and improvement projects and without departing from model of the present utility model Enclose.Appended claims is intended to limit scope of the present utility model, and thereby contains these claim itself And the method and structure in the range of equivalents.

Claims (9)

1. a simulation load box, is characterized in that, including:

PTC loads, and for simulated target equipment, and is connected with control unit；

One or more AC or D/C power, for described PTC load supplying, described AC or D/C power are connected with rectification unit, and described rectification unit is connected to described control unit via collecting unit；

Man-machine unit, including display screen and button；

Temperature measuring unit, for measuring the temperature inside and outside described simulation load box；

Control unit, for receiving the instruction from central processing unit, and controls described PTC load；

Communication unit, for described simulation load box and the transmission of extraneous information；

Described central processing unit, it is connected respectively with described collecting unit, described control unit, described man-machine unit, described communication unit and described temperature measuring unit, receive from described collecting unit, described man-machine unit, described communication unit and the information of described temperature measuring unit, and control described PTC load by described control unit；And

Power module, for powering to described simulation load box.

2. simulation load box as claimed in claim 1, is characterized in that, also includes the radiator fan for providing heat radiation for described simulation load box.

3. simulation load box as claimed in claim 1, is characterized in that, also include the main power source powered to described power module.

4. the simulation load box as according to any one of claim 1-3, it is characterised in that described display screen shows the temperature value inside and outside described simulation load box and the information relevant to the one or more AC or D/C power.

5. the simulation load box as according to any one of claim 1-3, it is characterized in that, via described man-machine unit realize in the following one or more: power on/off to described simulation load box, set the target power of described simulation load box, set the external temperature of described simulation load box.

6. simulation load box as claimed in claim 5, it is characterised in that the target power setting described simulation load box includes setting firm power or setting power curve.

7. simulation load box as claimed in claim 5, it is characterised in that the external temperature setting described simulation load box includes setting steady temperature or scenario earthquake.

8. the simulation load box as according to any one of claim 1-3, it is characterised in that when the internal temperature of the described simulation load box that described temperature measuring unit is measured is more than a threshold value, described central processing unit indicates described control unit to described PTC load power down.

9. the simulation load box as according to any one of claim 1-3, it is characterized in that, the quantity of described PTC load is one or more, and when there is multiple PTC load, described control unit can give the one or more energisings in the plurality of PTC load and/or power-off simultaneously.