CN206990697U - A kind of device to be worked for simulation connection box under high/low temperature circulation - Google Patents
A kind of device to be worked for simulation connection box under high/low temperature circulation Download PDFInfo
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- CN206990697U CN206990697U CN201720546002.XU CN201720546002U CN206990697U CN 206990697 U CN206990697 U CN 206990697U CN 201720546002 U CN201720546002 U CN 201720546002U CN 206990697 U CN206990697 U CN 206990697U
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- confined space
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- connection box
- low temperature
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Abstract
It the utility model is related to a kind of device to be worked for simulation connection box under high/low temperature circulation, including environmental test chamber, multiple power supplys for providing electric current to terminal box and the temperature induction unit for controlling power switch, provided with multiple independent confined spaces for being used to place terminal box in environmental test chamber, thermostat unit is equipped with each confined space, and each confined space is connected with a power supply.Compared with prior art, the utility model, can be high with automatic switch power, automaticity by the controller in temperature induction unit；And its operation is controlled by setting multiple independent confined spaces, and by PLC, the detection demand of different batches terminal box can be completed by realizing a device, and monitoring efficiency is high.
Description
Technical field
It the utility model is related to photovoltaic module detection field, and in particular to one kind is used for simulation connection box and circulated in high/low temperature
The device of lower work.
Background technology
Inexhaustible solar energy because its safety, clean, environmental protection performance and increasingly by people's
Favor, therefore solar photovoltaic industry turns into new industry.Meanwhile the development of photovoltaic parts industry is also promoted,
Such as photovoltaic terminal box, photovoltaic connector, controller, inverter.
An important component of the photovoltaic terminal box as solar cell module, is between solar cell module
Connector between the solar cell array and rechargeable solar battery control device of composition, it is by solar energy to play a major role
Electric energy exports through cable caused by battery module.Due to the particularity and the expensive valency of itself of solar cell use occasion
Value, photovoltaic terminal box must have following key property：(1) shell has strong anti-aging, UV resistant
Ability；(2) requirement under outdoor adverse circumstances is accorded with；(2) outstanding radiating mode and rational cavity volume have
Effect reduces internal temperature, to meet electrical safety requirements；(4) protection of good waterproof and dustproof is the connection of customers with secure
Scheme.Especially temperature, docking line box electric energy load performance have a great influence.
According to IEC 60068-1:1988 and IEC 62790:2014 relevant regulations, photovoltaic terminal box is in natural ring
It is powered in border, by the conversion of high temperature and low temperature, its electric energy load performance keeps constant.For simulating natural environment, present
Some testing agencies carry out terminal box under high/low temperature circulation during the test of electric energy load performance, using an environmental test chamber
It is interior, and the environmental test chamber is ceaselessly circulated between high temperature and low temperature, and environment examination will be placed on a batch of terminal box
In tryoff, when in environmental test chamber heating and temperature reach 25 DEG C and continue rise when, manually give terminal box charging, when environment try
When tryoff cooling and temperature reach 25 DEG C and continue to decline, power off to terminal box, repeatedly after circulation, terminal box taken out manually,
The change of its electric energy load performance is detected, whether the observation period meets the requirements.Such detection means has some several lower deficiency：(1)
Automaticity is low；(2) can only once detect with a batch of terminal box, it is inefficient；(3) temperature of environmental test chamber is depended on
Degree display, is powered and power-off has certain hysteresis quality.
Utility model content
The purpose of this utility model is exactly to provide a kind of automation journey the defects of overcoming above-mentioned prior art to exist
The device for being used for simulation connection box and being worked under high/low temperature circulation that degree is high, the degree of accuracy is high.
The purpose of this utility model can be achieved through the following technical solutions：One kind is used for simulation connection box in high/low temperature
The device of the lower work of circulation, the device are used for working condition of the simulation connection box in natural environment, and the test device includes
Environmental test chamber, multiple power supplys for providing electric current to terminal box and the temperature induction unit for controlling power switch,
Multiple independent confined spaces for being used to place terminal box are provided with the environmental test chamber, temperature is equipped with each confined space
Adjustment unit is spent, and each confined space is connected with a power supply.
Environmental test chamber of the present utility model is provided with multiple independent confined spaces, and each confined space can be independently arranged
The maximum and minimum value of circulating temperature, the speed of temperature change can be also set, can thus be directed to the requirement of different terminal boxes,
Completed with an environmental test chamber, increase the flexibility of device, improve efficiency.
At least three confined space is provided with described environmental test chamber.
Described temperature induction unit includes more temperature sensors and the controller for controlling power switch, more
The temperature sensor is plugged in multiple confined spaces respectively.Pass through the temperature in temperature sensor senses confined space, spirit
Sensitivity is higher so that simulation is better；Controller is set, can be not required to power supply corresponding to each confined space of automatic switch
Want manual operation, automaticity height.
Described environmental test chamber is provided with the PLC controls for being used for controlling that thermostat unit works in each confined space
Device.It can ensure that each confined space can work automatically by PLCs, it is not necessary to artificial de-regulation, automate journey
Degree is high.
Described thermostat unit includes heater and cooler.
The operation principle of the present apparatus is as follows：It will place in one of which confined space, lead to a batch of terminal box
Maximum, minimum value and rate of change that control panel sets the confined space circulating temperature are crossed, then in temperature sense list
The switch temperature of power supply corresponding to the confined space is set in member, then runs the thermostat unit in confined space, and
Pass through the temperature in temperature sensor monitors confined space.When temperature is higher or lower than a certain value, in temperature induction unit
Controller control power supply connection disconnects.After the temperature cycles in confined space reach certain number, terminal box is taken out, then
Terminal box is placed in special electric energy load performance test device and tested, observe the change of its performance, judge this batch
Whether secondary terminal box is qualified.
Compared with prior art, the beneficial effects of the utility model are embodied in following several respects：
(1), can be high with automatic switch power, automaticity by the controller in temperature induction unit；
(2) by setting multiple independent confined spaces, and its operation is controlled by PLC, realizes a dress
The detection demand of different batches terminal box can be completed by putting, and monitoring efficiency is high；
(3) it is higher by the temperature in temperature sensor senses confined space, sensitivity.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Wherein, 1 is environmental test chamber, and 11 be PLC, and 2 be temperature induction unit, and 3 be power supply.
Embodiment
Embodiment of the present utility model is elaborated below, the present embodiment using technical solutions of the utility model before
Put and implemented, give detailed embodiment and specific operating process, but the scope of protection of the utility model is unlimited
In following embodiments.
Embodiment 1
A kind of device to be worked for simulation connection box under high/low temperature circulation, the device are used for simulation connection box in nature
Working condition in environment, its structure as described in Figure 1, including environmental test chamber 1, it is multiple be used for terminal box provide electric current electricity
Source 3 and the temperature induction unit 2 for controlling power supply 3 to switch, three are provided with environmental test chamber 1 and independent is connect for placement
The confined space of line box, thermostat unit is equipped with each confined space, and each confined space connects with a power supply 3
Connect, because confined space and thermostat unit are arranged inside environmental test chamber 1, Gu Tuzhong does not embody.
Temperature induction unit 2 includes three temperature sensors and the controller for controlling power supply 3 to switch, three temperature
Sensor is plugged in three confined spaces respectively.By the temperature in temperature sensor senses confined space, sensitivity is higher,
So that simulation is better；Controller is set, can be with power supply 3 corresponding to each confined space of automatic switch, it is not necessary to artificial behaviour
Make, automaticity is high.
Environmental test chamber 1 is provided with the PLC 11 for being used for controlling that thermostat unit works in each confined space.It is logical
Cross PLC 11 can ensure that each confined space can work automatically, it is not necessary to artificial de-regulation, automaticity
It is high.
Thermostat unit includes heater and cooler.
Claims (5)
1. a kind of device to be worked for simulation connection box under high/low temperature circulation, the device are used for simulation connection box in natural ring
Working condition in border, it is characterised in that described device includes environmental test chamber, multiple electricity for being used to provide electric current to terminal box
Source and the temperature induction unit for controlling power switch, multiple independent connect for placement is provided with the environmental test chamber
The confined space of line box, thermostat unit is equipped with each confined space, and each confined space connects with a power supply
Connect.
2. a kind of device to be worked for simulation connection box under high/low temperature circulation according to claim 1, its feature exist
In described environmental test chamber is interior to be provided with least three confined space.
3. a kind of device to be worked for simulation connection box under high/low temperature circulation according to claim 1 or 2, its feature
It is, described temperature induction unit includes more temperature sensors and the controller for controlling power switch, more institutes
Temperature sensor is stated to be plugged in respectively in multiple confined spaces.
4. a kind of device to be worked for simulation connection box under high/low temperature circulation according to claim 1, its feature exist
In described environmental test chamber is provided with the PLC for being used for controlling that thermostat unit works in each confined space.
5. a kind of device to be worked for simulation connection box under high/low temperature circulation according to claim 4, its feature exist
In described thermostat unit includes heater and cooler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720546002.XU CN206990697U (en) | 2017-05-17 | 2017-05-17 | A kind of device to be worked for simulation connection box under high/low temperature circulation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720546002.XU CN206990697U (en) | 2017-05-17 | 2017-05-17 | A kind of device to be worked for simulation connection box under high/low temperature circulation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206990697U true CN206990697U (en) | 2018-02-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720546002.XU Active CN206990697U (en) | 2017-05-17 | 2017-05-17 | A kind of device to be worked for simulation connection box under high/low temperature circulation |
Country Status (1)
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| CN (1) | CN206990697U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113791295A (en) * | 2021-09-09 | 2021-12-14 | 浙江佳明天和缘光伏科技有限公司 | On-line power-on test machine and test method for high-low temperature test of solar junction box |
-
2017
- 2017-05-17 CN CN201720546002.XU patent/CN206990697U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113791295A (en) * | 2021-09-09 | 2021-12-14 | 浙江佳明天和缘光伏科技有限公司 | On-line power-on test machine and test method for high-low temperature test of solar junction box |
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