CN205691710U - A kind of motor wrong line detector - Google Patents
A kind of motor wrong line detector Download PDFInfo
- Publication number
- CN205691710U CN205691710U CN201620545541.7U CN201620545541U CN205691710U CN 205691710 U CN205691710 U CN 205691710U CN 201620545541 U CN201620545541 U CN 201620545541U CN 205691710 U CN205691710 U CN 205691710U
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- China
- Prior art keywords
- current value
- motor
- voltage
- current
- data base
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Abstract
This utility model provides a kind of motor wrong line detector.This device includes the first power supply, wiring units, current detecting unit and comparing unit, wherein, described first power supply, for output the first voltage；Described wiring units, for being connected to described detection device with any two connecting lines in the external connecting wire of described motor；Described current detecting unit, obtains the first current value for detecting described detection device electric current under described first voltage effect；Comparing unit, for the comparative result according to described first current value Yu second current value of data base, determines whether described motor exists wiring error.The scheme that this utility model provides can determine motor whether wrong line efficiently, easily, improve install, maintenance efficiency, reduce install, maintenance cost.
Description
Technical field
This utility model relates to control field, particularly relates to a kind of motor wrong line detector.
Background technology
Blower fan in central air-conditioning is usually many notch speed motor, and attemperating unit, can root when being controlled central air-conditioning
According to needing to make PAU+FCU system at different gears, thus the temperature in control room is maintained at a suitable temperature；But, entering
In the installation process of row attemperating unit, site operation personnel are due to carelessness, the many blower fan gears usually exported by attemperating unit
Output control line mixes up and (such as: be connected in the low-grade location tap of blower fan by high tap position output control line, low-grade location output is controlled
Line is connected in the high tap position tap of blower fan), it is chaotic to the control of blower fan that this will result in attemperating unit, not only make attemperating unit without
Method realizes the control to room temperature, and makes commissioning staff be difficult to find out the reason of wherein fault.
Summary of the invention
Main purpose of the present utility model is to overcome the defect of above-mentioned prior art, it is provided that a kind of motor wrong line inspection
Survey device, it is possible to distinguish motor zero line and gear line, it is possible to before unit is linked into 220V, each line is correctly accessed temperature controller, carry
The safety of high equipment and the efficiency of installation.
On the one hand this utility model provides a kind of motor wrong line detector, including the first power supply, wiring units, electricity
Stream detector unit, comparing unit and data base, wherein, described first power supply, for output the first voltage；Described wiring units,
For described detection device will be connected to any two connecting lines in the external connecting wire of described motor；Described current detecting list
Unit, obtains the first current value for detecting described detection device electric current under described first voltage effect；Comparing unit,
For the comparative result according to described first current value Yu second current value of described data base, determine whether described motor is deposited
In wiring error.
Alternatively, described data base includes at least one second current value, and at least one second current value described is with described
At least one normal operating conditions of motor is corresponding.
Alternatively, described data base include at least one first supply voltage value and with each the first supply voltage value
Corresponding at least one the second current value, at least one second current value described with described motor at its first corresponding power supply
At least one normal operating conditions under magnitude of voltage effect is corresponding.
Alternatively, when described motor is third gear motor, at least one normal operating conditions described includes that motor is operated in
The second normal operating conditions when the first normal operating conditions during high tap position, motor are operated in middle gear, motor are operated in low
The 3rd normal operating conditions during gear.
Alternatively, the described comparative result according to described first current value Yu second current value of data base, determine motor
Whether there is wiring error specifically, when described first current value and described second current value match, determine described motor work
Make normal, otherwise determine that described motor exists wiring error.
Alternatively, described coupling includes: the first current value and the second current value are equal, or the first current value falls into the second electricity
Interval included by flow valuve, or the first current value and the second current value meet default relation.
Alternatively, described second current value includes that interval, described interval are [a-b, a+b], wherein, and b=a ×
N%, 0.5≤n≤8, a is the meansigma methods of the second many sub-samplings of current value.
Alternatively, also include testing result signal sending unit, for after determining that motor exists wiring error, send police
Show signal；And/or, there is not wiring error when determining, send wiring regular prompt signal.
Alternatively, the voltage of described first power supply output is safe voltage, and described safe voltage goes out at described detection device
When existing fault or exception, it is possible to ensure that detected motor safety is unlikely to damage.
Alternatively, described safe voltage includes 24V alternating voltage.
The scheme that this utility model provides can determine motor whether wrong line efficiently, easily, improves and installs, safeguards effect
Rate, reduces installation, maintenance cost.
Accompanying drawing explanation
Accompanying drawing described herein is used for providing being further appreciated by of the present utility model, constitutes one of the present utility model
Point, schematic description and description of the present utility model is used for explaining this utility model, is not intended that of the present utility model
Improper restriction.In the accompanying drawings:
Fig. 1 is the structural representation of an embodiment of a kind of motor wrong line detector that this utility model provides；
Fig. 2 is the structural representation of an embodiment of a kind of motor wrong line detector that this utility model provides.
Detailed description of the invention
For making the purpose of this utility model, technical scheme and advantage clearer, concrete below in conjunction with this utility model
Technical solutions of the utility model are clearly and completely described by embodiment and corresponding accompanying drawing.Obviously, described embodiment
It is only a part of embodiment of this utility model rather than whole embodiments.Based on the embodiment in this utility model, this area
The every other embodiment that those of ordinary skill is obtained under not making creative work premise, broadly falls into this utility model
The scope of protection.
It should be noted that term " first " in specification and claims of the present utility model and above-mentioned accompanying drawing,
" second " etc. are for distinguishing similar object, without being used for describing specific order or precedence.Should be appreciated that so
Use data can exchange in the appropriate case, in order to embodiment of the present utility model described herein can with except
Here the order beyond those illustrating or describing is implemented.Additionally, term " includes " and " having " and their any deformation,
It is intended to cover non-exclusive comprising, such as, contains series of steps or the process of unit, method, system, product or set
Standby those steps or the unit being not necessarily limited to clearly list, but can include the most clearly listing or for these mistakes
Other step that journey, method, product or equipment are intrinsic or unit.
Fig. 1 is the structural representation of an embodiment of a kind of motor wrong line detector that this utility model provides.
This utility model one detailed description of the invention, as shown in Figure 1.Detection device 100 includes in this specific embodiment
Wiring units the 101, first power supply 103, current detecting unit 105, comparing unit 107, data base 109.
Wiring units 101, for being connected to detection dress with any two connecting lines in the external connecting wire of described motor
Put.
The external connecting wire of motor includes zero line and gear line.Such as, when gear includes high, medium and low, external connection
Line includes zero line, high-grade bit line, middle-grade bit line and low-grade bit line.
First power supply 103, for output the first voltage, the first voltage is that motor supplies with the circuit loop detecting device composition
Electricity.
Kind according to motor is different, and the first voltage can be alternating current, it is also possible to is unidirectional current.
Alternatively, the first voltage is safe voltage, and so-called safe voltage refers to, when the circuit of motor with detection device composition
When short circuit or fault occurs in loop, this supply voltage is not result in that motor is damaged.
Alternatively, the first voltage can be 24V AC (exchange) etc..
Current detecting unit 105, detects the loop being made up of motor and detection device electricity under the effect of the first voltage
Flow thus obtain the first current value.
Data base 109, for storage the second current value.
In this utility model one detailed description of the invention, data base 109 stores at least one second current value.
Such as, motor includes 4 external connections: zero line, high-grade bit line, middle-grade bit line and low-grade bit line.At the shape that normally works
(i.e. there is not wrong line situation) in state, optional two lines accesses the equal of the detection device of this utility model detailed description of the invention offer
Produce one second current value, therefore data base includes 6 the second current values.
In this utility model one detailed description of the invention, data base 109 store at least one first supply voltage value and
At least one second current value corresponding with each first supply voltage value, at least one second current value and described motor
At least one normal operating conditions under the first supply voltage value effect of its correspondence is corresponding.
Such as, in data base 109, the first supply voltage value includes 24V AC and 48V AC, when motor includes 4 external connections:
Zero line, high-grade bit line, when middle-grade bit line and low-grade bit line, corresponding 6 the second current values of 24V AC, corresponding 6 second of 48V AC
Current value.
Comparing unit 107, for the comparative result according to the first current value Yu second current value of data base, determines motor
Whether there is wiring error.
Such as, match when the first current value and the second current value, it is determined that motor is working properly, otherwise determines that motor is deposited
In wiring error.
Alternatively, when the first current value and the second current value are equal, then it is assumed that the first current value and the second current value phase
Join.
Alternatively, the first current value falls into the interval included by the second current value, then it is assumed that the first current value and
Two current values match.
Alternatively, the second current value includes that interval, interval are expressed as [a-b, a+b], wherein, b=a × n%,
0.5≤n≤8, a is the meansigma methods of the second many sub-samplings of current value.
Alternatively, the first current value and the second current value meet default relation, then it is assumed that the first current value and the second electricity
Flow valuve matches.
Such as, the first electric current is that the second electric current is multiplied by a coefficient, or the first electric current and the second electric current meet certain function
Relation.
Fig. 2 is the structural representation of an embodiment of a kind of motor wrong line detector that this utility model provides.
This utility model one detailed description of the invention, as shown in Figure 2.Detection device 200 includes in this specific embodiment
Wiring units the 201, first power supply 203, current detecting unit 205, comparing unit 207, data base 209 and testing result send single
Unit 211.
Wiring units 201, for being connected to detection dress with any two connecting lines in the external connecting wire of described motor
Put.
The external connecting wire of motor includes zero line and gear line.Such as, when gear includes high, medium and low, external connection
Line includes zero line, high-grade bit line, middle-grade bit line and low-grade bit line.
First power supply 203, for output the first voltage, the first voltage is that motor supplies with the circuit loop detecting device composition
Electricity.
Kind according to motor is different, and the first voltage can be alternating current, it is also possible to is unidirectional current.
Alternatively, the first voltage is safe voltage, and so-called safe voltage refers to, when the circuit of motor with detection device composition
When short circuit or fault occurs in loop, this supply voltage is not result in that motor is damaged.
Alternatively, the first voltage can be 24V AC (exchange) etc..
Current detecting unit 205, detects the loop being made up of motor and detection device electricity under the effect of the first voltage
Flow thus obtain the first current value.
Data base 209, for storage the second current value.
In this utility model one detailed description of the invention, data base 209 stores at least one second current value.
Such as, motor includes 4 external connections: zero line, high-grade bit line, middle-grade bit line and low-grade bit line.At the shape that normally works
(i.e. there is not wrong line situation) in state, optional two lines accesses the detection device of this utility model detailed description of the invention offer
All produce one second current value, therefore data base includes 6 the second current values.
In this utility model one detailed description of the invention, data base 209 store at least one first supply voltage value and
At least one second current value corresponding with each first supply voltage value, at least one second current value and described motor
At least one normal operating conditions under the first supply voltage value effect of its correspondence is corresponding.
Such as, in data base 209, the first supply voltage value includes 24V AC and 48V AC, when motor includes 4 external connections:
Zero line, high-grade bit line, when middle-grade bit line and low-grade bit line, corresponding 6 the second current values of 24V AC, corresponding 6 second of 48V AC
Current value.
Comparing unit 207, for the comparative result according to the first current value Yu second current value of data base, determines motor
Whether there is wiring error.
Such as, match when the first current value and the second current value, it is determined that motor is working properly, otherwise determines that motor is deposited
In wiring error.
Alternatively, when the first current value and the second current value are equal, then it is assumed that the first current value and the second current value phase
Join.
Alternatively, the first current value falls into the interval included by the second current value, then it is assumed that the first current value and
Two current values match.
Alternatively, the second current value includes that interval, interval are expressed as [a-b, a+b], wherein, b=a × n%,
0.5≤n≤8, a is the meansigma methods of the second many sub-samplings of current value.
Alternatively, the first current value and the second current value meet default relation, then it is assumed that the first current value and the second electricity
Flow valuve matches.
Such as, the first electric current is that the second electric current is multiplied by a coefficient, or the first electric current and the second electric current meet certain function
Relation.
Testing result transmitting element 211, for after determining that motor exists wiring error, sends alarm signal；And/or work as
Determine and there is not wiring error, send wiring regular prompt signal.
Alternatively, alarm signal can be that display floater red colored lamp lights, and/or buzzer reports an error.
Alternatively, wiring regular prompt signal can be that panel green light lights, and/or the gear line that display accesses.
Thus, utilizing scheme of the present utility model, the scheme that this utility model provides can determine motor efficiently, easily
Whether wrong line, improve install, maintenance efficiency, reduce install, maintenance cost.
Function described herein can be implemented in hardware, the processor software, firmware or its any combination that perform.
If implemented in the software performed by processor, then function can be stored in computer as one or more instruction or code
Transmitted on readable media or via computer-readable media.Other example and embodiment are in this utility model and appended power
In the scope of profit claim and spirit.For example, owing to the character of software, function described above can use by processing
The software that device, hardware, firmware, hardwired or the combination appointing whichever in these perform is implemented.Additionally, each functional unit can collect
In Cheng Yi processing unit, it is also possible to be that unit is individually physically present, it is also possible to two or more unit are integrated
In a unit.
In several embodiments provided herein, it should be understood that disclosed technology contents, can be passed through other
Mode realizes.Wherein, device embodiment described above is only schematically, the division of the most described unit, Ke Yiwei
A kind of logic function divides, actual can have when realizing other dividing mode, the most multiple unit or assembly can in conjunction with or
Person is desirably integrated into another system, or some features can be ignored, or does not performs.Another point, shown or discussed is mutual
Between coupling direct-coupling or communication connection can be the INDIRECT COUPLING by some interfaces, unit or module or communication link
Connect, can be being electrical or other form.
The described unit illustrated as separating component can be or may not be physically separate, as controlling dress
The parts put can be or may not be physical location, i.e. may be located at a place, or can also be distributed to multiple
On unit.Some or all of unit therein can be selected according to the actual needs to realize the purpose of the present embodiment scheme.
If described integrated unit realizes and as independent production marketing or use using the form of SFU software functional unit
Time, can be stored in a computer read/write memory medium.Based on such understanding, the technical solution of the utility model is originally
The part that in other words prior art contributed in matter or this technical scheme completely or partially can be with software product
Form embodies, and this computer software product is stored in a storage medium, including some instructions with so that a meter
Calculate machine equipment (can be for personal computer, server or the network equipment etc.) and perform method described in each embodiment of this utility model
All or part of step.And aforesaid storage medium includes: USB flash disk, read only memory (ROM, Read-Only Memory), with
Machine access memorizer (RAM, Random Access Memory), portable hard drive, magnetic disc or CD etc. are various can store journey
The medium of sequence code.
The foregoing is only embodiment of the present utility model, be not limited to this utility model, for this area
Technical staff for, this utility model can have various modifications and variations.It is all within spirit of the present utility model and principle,
Any modification, equivalent substitution and improvement etc. made, within should be included in right of the present utility model.
Claims (10)
1. a motor wrong line detector, it is characterised in that include the first power supply, wiring units, current detecting unit, ratio
Relatively unit and data base, wherein,
Described first power supply, for output the first voltage；
Described wiring units, for being connected to described detection dress with any two connecting lines in the external connecting wire of described motor
Put；
Described current detecting unit, obtains for detecting described detection device electric current under described first voltage effect
One current value；
Comparing unit, for the comparative result according to described first current value Yu second current value of described data base, determines institute
State whether motor exists wiring error.
Device the most according to claim 1, it is characterised in that described data base includes at least one second current value, institute
State at least one second current value corresponding with at least one normal operating conditions of described motor.
Device the most according to claim 1, it is characterised in that described data base includes at least one first supply voltage value
And at least one second current value corresponding with each first supply voltage value, at least one second current value described with
Described motor at least one normal operating conditions under the first supply voltage value effect of its correspondence is corresponding.
4. according to the device described in Claims 2 or 3, it is characterised in that when described motor is third gear motor, described at least one
Individual normal operating conditions includes when the first normal operating conditions when motor is operated in high tap position, motor are operated in middle gear
Two normal operating conditions, motor are operated in the 3rd normal operating conditions during low-grade location.
5. according to the arbitrary described device of claim 1-3, it is characterised in that
The described comparative result according to described first current value Yu second current value of data base, determines whether motor exists wiring
Mistake is specifically, when described first current value matches with described second current value, determine that described motor is working properly, otherwise
Determine that described motor exists wiring error.
Device the most according to claim 5, it is characterised in that described coupling includes: the first current value and the second current value
Equal, or the first current value falls into the interval included by the second current value, or the first current value and the second current value meet
The relation preset.
7. according to claim 1-3,6 arbitrary described devices, it is characterised in that described second current value includes interval,
Described interval is [a-b, a+b], wherein, b=a × n%, 0.5≤n≤8, and a is the average of the second many sub-samplings of current value
Value.
8. according to claim 1-3,6 arbitrary described devices, it is characterised in that also include testing result signal sending unit,
For
After determining that motor exists wiring error, send alarm signal；
And/or, there is not wiring error when determining, send wiring regular prompt signal.
9. according to claim 1-3,6 arbitrary described devices, it is characterised in that
The voltage of described first power supply output is safe voltage, and described safe voltage breaks down or abnormal at described detection device
Time, it is possible to ensure that detected motor safety is unlikely to damage.
Device the most according to claim 9, it is characterised in that described safe voltage includes 24V alternating voltage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620545541.7U CN205691710U (en) | 2016-06-06 | 2016-06-06 | A kind of motor wrong line detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620545541.7U CN205691710U (en) | 2016-06-06 | 2016-06-06 | A kind of motor wrong line detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205691710U true CN205691710U (en) | 2016-11-16 |
Family
ID=57261112
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620545541.7U Withdrawn - After Issue CN205691710U (en) | 2016-06-06 | 2016-06-06 | A kind of motor wrong line detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205691710U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105974263A (en) * | 2016-06-06 | 2016-09-28 | 珠海格力电器股份有限公司 | Motor wrong connection detection device and method |
-
2016
- 2016-06-06 CN CN201620545541.7U patent/CN205691710U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105974263A (en) * | 2016-06-06 | 2016-09-28 | 珠海格力电器股份有限公司 | Motor wrong connection detection device and method |
| CN105974263B (en) * | 2016-06-06 | 2019-07-30 | 珠海格力电器股份有限公司 | A kind of motor wrong line detector and method |
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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: 20161116 Effective date of abandoning: 20190730 |