CN111258304A - Temperature controller verifying attachment - Google Patents
Temperature controller verifying attachment Download PDFInfo
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- CN111258304A CN111258304A CN202010130914.5A CN202010130914A CN111258304A CN 111258304 A CN111258304 A CN 111258304A CN 202010130914 A CN202010130914 A CN 202010130914A CN 111258304 A CN111258304 A CN 111258304A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B23/00—Testing or monitoring of control systems or parts thereof
- G05B23/02—Electric testing or monitoring
- G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
- G05B23/0208—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterized by the configuration of the monitoring system
- G05B23/0213—Modular or universal configuration of the monitoring system, e.g. monitoring system having modules that may be combined to build monitoring program; monitoring system that can be applied to legacy systems; adaptable monitoring system; using different communication protocols
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/24—Pc safety
- G05B2219/24065—Real time diagnostics
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- Automation & Control Theory (AREA)
- Control Of Temperature (AREA)
Abstract
The invention provides a temperature controller testing device, comprising: the temperature switching tooling plate is connected with the temperature controller and is used for switching the temperature input of the temperature controller; the contact test tool is used for connecting contacts of the temperature controller and detecting whether the contacts of the temperature controller are good or not. Wherein the temperature switches frock board can realize the switching of 5 kinds of temperature states through a knob switch through being connected with the temperature controller, and easy operation corresponds the temperature and shows at the temperature controller, and it is directly perceived to show. Wherein contact test fixture carries out the circuit detection through being connected with the temperature controller contact, shows the temperature through the temperature controller, corresponds the bright circumstances of going out of corresponding function indicator lamp on the test fixture, contrasts the function that the state of function indicator lamp and the corresponding temperature of temperature controller correspond, judges the quality of temperature controller contact to many temperature controllers can be connected to this contact test fixture, detect a plurality of functions of many temperature controllers simultaneously.
Description
Technical Field
The invention relates to the technical field of temperature controller detection, in particular to a temperature controller inspection device.
Background
At present, a relatively laggard detection method of a temperature controller is to connect the temperature controller with equipment, and different temperature environments are generated due to the change of the running temperature of the equipment. However, the mode of connecting the temperature controller with the equipment is used for detecting the quality of the temperature controller, so that the cost is too high and the efficiency is too low. At present, some more convenient detection modes are that some test tools are used for replacing supporting equipment to simulate the running temperature of the equipment and control the temperature input of a temperature controller; in addition, the contact detection at the output end of the temperature controller is usually performed by using a digital multimeter, and generally, the single-function contact test is performed by using a digital multimeter conduction range and an alternating voltage range. In the detection process, the temperature input of the temperature controller is controlled by using an adjustable direct current resistance box, the adjustable direct current resistance box is connected with a related circuit for controlling the input temperature of the temperature controller, and the output resistance is changed by modulating a rotating disc of the resistance box so as to change the circuit parameters and change different display temperatures of the temperature controller, but the method has too large resistance adjustment error, too low reliability and very inaccurate detection result; and the resistance box is required to be readjusted every time one temperature is detected, so that the working efficiency is too low. On the other hand, the detection of the contact of the temperature controller uses a conducting gear when testing the passive contact, when testing the functional contact, two meter pens of the digital multimeter are butted with the functional contact, and at the moment, the digital multimeter buzzes to alarm and the interface displays a state value below 010; the alternating current voltage grade is used when the active contact is tested, when the functional contact is tested, the two test pens of the digital multimeter correspond to the functional contact, and the interface of the digital multimeter displays a state numerical value of 220 +/-20V. However, this contact test method can only test a single function at a time, and can only test one device.
Disclosure of Invention
The invention provides a temperature controller inspection device which can effectively solve the problems.
The invention is realized by the following steps:
a thermostat testing device, comprising:
temperature switches frock board, it includes:
the knob switch is at least provided with one gear, and each gear corresponds to a gear wiring end;
the temperature interface connector is used for connecting a temperature controller to be tested;
the temperature input line set is provided with at least one temperature input line, the input end of each temperature input line is correspondingly connected with each gear terminal, and the output end of each temperature input line is respectively connected to the temperature interface connector;
contact test fixture, it includes:
a base;
the display panel is arranged on one side of the base, and a button switch and a plurality of function indicating lamps are arranged on the display panel;
the limiting baffle is arranged on one side of the base opposite to the display panel; a plurality of connecting terminal thimbles are arranged on the limiting baffle, the testing tool is connected with the temperature controller through the thimbles, and the connecting terminal thimbles are electrically connected with the function indicator lamp and the button switch;
the limiting blocking pieces are arranged on the base and are positioned at two ends between the display panel and the limiting baffle;
the base, display panel, spacing separation blade, the region that spacing baffle formed is used for placing the temperature controller.
As a further improvement, each temperature input line includes a plurality of groups of conducting switches and a high-precision resistor connected to the conducting switches, each conducting switch includes a control end and a conducting end, the control end is connected to the gear terminal corresponding to the temperature input line, and the conducting end is connected to the temperature interface connector after being connected to the high-precision resistor corresponding to the conducting end.
As a further improvement, the knob switch has 5 gears of 1/2/3/4/5 th gear, which correspond to the terminals of 1/2/3/4/5 th gear respectively; the temperature input line set has 5 lines of 1/2/3/4/5 th temperature input lines.
As a further improvement, the 1/2/3/4/5 th temperature input lines respectively correspond to 1/2/3/4/5 th high-precision resistors, and the 1/2/3/4/5 th high-precision resistors have different resistance values.
As a further improvement, the conduction switch is any one of a relay or a power tube.
As a further improvement, the temperature interface connector model is DB-15P.
As a further improvement, the number of the function indicating lamps is at least 5.
As a further improvement, the number of the function indicator lamps is 5, and is defined as: fan indicator lights, alarm indicator lights, trip indicator lights, fault indicator lights, iron core/fan indicator lights.
As a further improvement, the test tool is powered by a 12V direct current power supply and a 220V alternating current power supply, the number of the thimble of the connecting terminal is 24, and the thimble is defined as a 1 st thimble to a 24 th thimble; an external 220V alternating-current power supply is connected between the 24 th thimble and the 23 th thimble, the fan indicator lamp is connected between the 22 th thimble and the 21 st thimble, one end of the alarm indicator lamp, one end of the trip indicator lamp, one end of the fault indicator lamp and one end of the iron core/fan indicator lamp are all connected to a negative electrode of a 12V direct-current power supply, the other end of the alarm indicator lamp, the other end of the trip indicator lamp, the other end of the fault indicator lamp and the other end of the iron core/fan indicator lamp are respectively connected to the 16 th thimble, the 18 th thimble, the 20 th thimble and the 10 th thimble, the 15 th thimble, the 17 th thimble and the 19 th thimble are connected to a positive electrode of the 12V direct-current power supply, and the 11 th thimble is connected to the 19 th thimble; the button switch is connected between the 14 th thimble and the 13 th thimble.
The invention has the beneficial effects that:
1. according to the temperature controller inspection device, the temperature switching tool plate can be connected with the temperature controller, 5 temperature states can be switched through the knob switch, the operation is simple, the corresponding temperature is displayed on the temperature controller, and the display is visual.
2. And the high-precision resistor used on the temperature switching tooling plate is a high-precision metal film resistor (fixed resistance value) which can correspondingly output a fixed temperature value. After the temperature switching tool plate is connected with the temperature controller, the resistance value of the high-precision resistor can be switched by switching the gear of the knob switch so as to change the display temperature of the temperature controller.
3. The corresponding functions of the temperature controller in various temperature states are controlled to be started or closed through resistance value switching, different temperatures can be adjusted only through switching the knob switch, operation is simple, results are accurate, working efficiency is improved, and detection cost is saved.
4. The invention provides a temperature controller inspection device, wherein a contact test tool is connected with a temperature controller contact for circuit detection, the temperature is displayed through the temperature controller, the on-off condition of a corresponding function indicator lamp on the test tool is corresponded, and the state of the function indicator lamp is compared with the function corresponding to the corresponding temperature of the temperature controller, so that the condition of the temperature controller contact is judged.
5. And this contact test fixture can connect many temperature controllers, detects a plurality of functions of many temperature controllers simultaneously, has solved and can only use digital multimeter to carry out the technical problem that single function contact manual detection, improves work efficiency, simplifies the inspection work step to the contact testing result is easily observed and is confirmed.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic connection diagram of a temperature controller testing device and a temperature controller according to an embodiment of the present invention.
Fig. 2 is a schematic circuit block diagram of a temperature switching tooling plate according to an embodiment of the present invention.
Fig. 3 is a circuit diagram of a temperature switching tooling plate according to an embodiment of the present invention.
Fig. 4 is a schematic structural diagram of a test fixture provided in an embodiment of the present invention.
Fig. 5 is a schematic diagram of a basic circuit of an internal circuit of the test fixture according to the embodiment of the present invention.
Fig. 6 is a schematic view of a thermostat according to an embodiment of the present invention.
Fig. 7 is a schematic diagram of an external terminal structure of a temperature controller according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
In the description of the present invention, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Referring to fig. 1, 2 and 4, a thermostat testing device includes:
temperature switches frock board, it includes:
the knob switch 200 is provided with at least one gear, and each gear corresponds to a gear wiring end;
the temperature interface connector 400 is used for connecting a temperature controller to be tested;
a temperature input line set 300, having at least one temperature input line, wherein an input end of each temperature input line is correspondingly connected with each gear terminal, and an output end of each temperature input line is respectively connected to the temperature interface connector;
contact test fixture, it includes:
a base 100;
a display panel 104 disposed on one side of the base 100, wherein the display panel 104 is provided with a button switch 106 and a plurality of function indicator lamps 105;
a limit baffle 102 disposed on a side of the base 100 opposite to the display panel 104; a plurality of connecting terminal thimbles 103 are arranged on the limiting baffle 102, the test tool is connected with the temperature controller through the connecting terminal thimbles 103, and the connecting terminal thimbles 103 are electrically connected with the function indicator lamp 105 and the button switch 106;
the limiting blocking pieces 101 are arranged on the base 100 and are positioned at two ends between the display panel 104 and the limiting baffle plate 102;
the base 100, the display panel 104, the limiting baffle plate 101 and the limiting baffle plate 102 form an area for placing the thermostat.
As a further improvement, referring to fig. 2, each of the temperature input lines includes a plurality of sets of conducting switches and a high-precision resistor connected to the conducting switches, each of the conducting switches includes a control terminal and a conducting terminal, the control terminal is connected to the gear terminal corresponding to the temperature input line, and the conducting terminal is connected to the temperature interface connector after connecting the high-precision resistor corresponding to the conducting terminal.
As a further improvement, referring to fig. 3, the knob switch has 5 gears of 1/2/3/4/5 th gear, which correspond to the terminal of 1/2/3/4/5 th gear; the temperature input line set has 5 lines of 1/2/3/4/5 th temperature input lines.
As a further improvement, referring to fig. 3, the 1/2/3/4/5 th temperature input line (301/302/303/304/305) corresponds to the 1/2/3/4/5 th high precision resistor (R1/R2/R3/R4/R5), and the resistance values of the 1/2/3/4/5 th high precision resistor (R1/R2/R3/R4/R5) are different from each other.
As a further improvement, the conduction switch is any one of a relay or a power tube. In this embodiment, the conduction switch is a relay.
In the present embodiment, and as shown in FIG. 3, the temperature interface connector 400 model is DB-15P. The temperature interface connector 400 has pins 1-15.
As a further improvement, the thermostat has 5 temperature displays. The 5 temperatures are shown as: OP (open circuit state) at-3.9 ℃, 204 ℃, 75 ℃, 140 ℃.
In the present embodiment, the 1 st temperature input line 301 has 4 sets of relays J1/J2/J3/J4 and a 1 st high precision resistor R1 connected to the relays J1/J2/J3/J4, respectively. The 1 st high-precision resistor R1 corresponds to a temperature of-3.9 ℃.
In the present embodiment, the 2 nd temperature input line 302 has 4 sets of relays J5/J6/J7/J8 and a 2 nd high precision resistor R2 connected to the relays J5/J6/J7/J8, respectively. The 2 nd high precision resistor R2 corresponds to a temperature of 204 ℃.
In the present embodiment, the 3 rd temperature input line 303 has 4 sets of relays J9/J10/J11/J12 and a 3 rd high precision resistor R3 connected to the relays J9/J10/J11/J12, respectively. The 3 rd high precision resistor R3 corresponds to a temperature of 75 ℃.
In the embodiment, the 4 th temperature input line 304 is provided with 4 groups of relays J13/J14/J15/J16 and a 4 th high-precision resistor R4 connected with the relays J13/J14/J15/J16 respectively. The 4 th high precision resistor R4 corresponds to a temperature of 140 ℃.
In the present embodiment, the 5 th temperature input line 305 has 3 sets of relays J17/J18/J19 and 5 th high precision resistors connected to the relays J17/J18/J19, respectively. The 5 th high-precision resistor comprises three types:
a 51 st high precision resistor R51 connected with the relay J17, wherein the corresponding temperature is 140 ℃;
a 52 nd high precision resistor R52 connected with the relay J18, wherein the corresponding temperature is 204 ℃;
the 53 rd high precision resistor R53 connected to the relay J19 corresponds to a temperature of 75 ℃.
The corresponding temperatures of the 5 th temperature input line 305 are 3, respectively A, C, D, and no temperature is displayed for phase B and OP is displayed. The temperatures of 3 phases are displayed in the corresponding 5 th gear. The temperature controller A, B, C, D displays four phases in turn, the phase B displays OP fixedly at the 5 th stage, and the three-phase A, C, D displays OP determined by the high precision resistance (a high precision metal film resistance) welded on the tooling plate, which is one of 75 ℃, 140 ℃ and 204 ℃.
In this embodiment, the specific connection relationship of the circuit of the temperature switching tooling plate is as follows:
the control terminals of the relay J1/J2/J3/J4 are connected in parallel and connected to the 1 st terminal,
the control terminals of the relay J5/J6/J7/J8 are connected in parallel and connected to the 2 nd gear terminal,
the control terminals of the relay J9/J10/J11/J12 are connected in parallel and connected to the 3 rd gear terminal,
the control terminals of the relay J13/J14/J15/J16 are connected in parallel and connected to the 4 th gear terminal,
the control terminals of the relay J17/J18/J19 are connected in parallel and connected to the 5 th terminal;
one end of the conducting end (also called as an output end) of the relay J1/J2/J3/J4 is connected with the 1 st high-precision resistor R1 and then is respectively connected with the 1/2/3/4 th pin of the temperature interface connector 400, and the other end of the conducting end (also called as an output end) of the relay J1/J2/J3/J4 is respectively connected with the 9/10/11/12 th pin of the temperature interface connector 400;
wherein, the 9/10/11/12 th pins of the temperature interface connector 400 are respectively connected with 7/8/14/15 th pins;
one end of the conduction end of the relay J5/J6/J7/J8 is connected with the 2 nd high-precision resistor R2 and then is respectively connected with the 1/2/3/4 th pin of the temperature interface connector 400, and the other end of the conduction end of the relay J5/J6/J7/J8 is respectively connected with the 7/8/14/15 th pin of the temperature interface connector 400;
one end of the conducting end of the relay J9/J10/J11/J12 is connected with the 3 rd high-precision resistor R3 and then is respectively connected with the 1/2/3/4 th pin of the temperature interface connector 400, and the other end of the conducting end of the relay J9/J10/J11/J12 is respectively connected with the 7/8/14/15 th pin of the temperature interface connector 400;
one end of the conducting end of the relay J13/J14/J15/J16 is connected with the 3 rd high-precision resistor R3 and then is respectively connected with the 1/2/3/4 th pin of the temperature interface connector 400, and the other end of the conducting end of the relay J9/J10/J11/J12 is respectively connected with the 7/8/14/15 th pin of the temperature interface connector 400;
one end of the conducting end of the relay J17/J18/J19 is respectively connected with the 51/52/53 high precision resistor R51/R52/R53 and then is respectively connected with the 1/3/4 pin of the temperature interface connector 400, and the other end of the conducting end of the relay J17/J18/J19 is respectively connected with the 7/14/15 pin of the temperature interface connector 400;
the rotary switch 200 is also connected to a 12V dc power supply.
The temperature regulation of the temperature controller comprises the following operation steps: firstly, connecting the temperature switching tooling plate with a temperature controller; then, the gear of the knob switch 200 is switched, and different temperatures can be correspondingly displayed on the temperature controller; and then further detecting whether the corresponding functions of the temperature controller are normally realized when the temperature controller displays different temperatures.
For the normal realization of the corresponding function of the temperature controller, the output end of the temperature controller needs to be connected with a related detection device.
The high-precision resistor used on the temperature switching tooling plate is a high-precision metal film resistor (fixed resistance value) and can correspondingly output a fixed temperature value. After the temperature switching tool plate is connected with the temperature controller, the resistance value of the high-precision resistor can be switched by switching the gear of the knob switch so as to change the display temperature of the temperature controller, so that the corresponding functions of the temperature controller are controlled to be started or closed under various temperature states, and whether the detection function is normally realized is detected.
The temperature switches frock board with after the temperature controller is connected, the theory of operation is:
when the knob switch 200 is turned to the 1 st gear, the conducting switches J1-J4 are operated to be conducted, the 1 st temperature input line 301 is connected, other temperature input lines are in a disconnected state, and the temperature controller displays the set temperature (set to-3.9 ℃); when the temperature controller needs to display other temperatures, the gear (1-5 gears) of the knob switch is adjusted, the corresponding conducting switch and the temperature input circuit are connected, and the temperature controller displays the gear set temperature.
As a further improvement, the number of the function indicator lamps 105 is at least 5.
As a further improvement, the number of the function indicator lamps 105 is 5, which is defined as: blower indicator 1051, alarm indicator 1052, trip indicator 1053, fault indicator 1054, and iron core/fan indicator 1055.
Referring to fig. 4, the test fixture is powered by a 12V dc power supply 109 and a 220V ac power supply 107, and the number of the terminal pins 103 is 24, which is defined as the 1 st to 24 th pins; an external 220V alternating current power supply 107 is connected between the 24 th thimble and the 23 th thimble, the blower indicator 1051 is connected between the 22 th thimble and the 21 st thimble, one end of the alarm indicator 1052, one end of the trip indicator 1053, one end of the fault indicator 1054, and one end of the core/fan indicator 1055 are all connected to the negative pole of a 12V dc power supply, the other end of the alarm indicator 1052, the other end of the trip indicator 1053, the other end of the fault indicator 1054, and the other end of the core/fan indicator 1055 are connected to the 16 th thimble, the 18 th thimble, the 20 th thimble, and the 10 th thimble, respectively, the 15 th thimble, the 17 th thimble and the 19 th thimble are connected to the anode of a 12V direct current power supply, and the 11 th thimble is connected with the 19 th thimble; the button switch 106 is connected between the 14 th thimble and the 13 th thimble.
The test tool is connected with the temperature controller through the wiring terminal thimble 103, and the wiring terminal thimble 103 is electrically connected with the function indicator lamp 105 and the button switch 106 to form a loop. The wires 108 connecting the loops may be routed from the bottom of the base.
The operation steps of the temperature controller contact test are as follows: firstly, connecting the test tool with a temperature controller to be tested, and adjusting the display temperature of the temperature controller; then, according to the display temperature, a corresponding function indicator lamp on the display panel is turned on or turned off; the state of the function indicating lamp is compared with the function of the temperature controller when corresponding to the temperature, and the contact state of the temperature controller is detected. If the corresponding function of the temperature displayed by the temperature controller is consistent with the corresponding function of the function indicating lamp, the contact is good.
In this embodiment, as described with reference to fig. 6, the panel of the thermostat may display temperature, and the display temperature of the thermostat may be controlled by some external control circuits during testing. The panel of temperature controller can also show the state of temperature controller, include: fan, alarm, trip, fault, standby. Referring to fig. 7, the back surface of the temperature controller is provided with connecting terminals, which are set as the 1 st to 24 th terminals, and correspond to the connecting terminal thimbles 103 of the test fixture one by one. The temperature controller further comprises a contact switch K, wherein a contact switch K1 is arranged between the 24 th terminal and the 21 st terminal, a contact switch K2 is arranged between the 20 th terminal and the 19 th terminal, a contact switch K3 is arranged between the 18 th terminal and the 17 th terminal, a contact switch K4 is arranged between the 16 th terminal and the 15 th terminal, a contact switch K5 is arranged between the 14 th terminal and the 13 th terminal, and a contact switch K6 is arranged between the 11 th terminal and the 10 th terminal.
Referring to fig. 5, the function indicator lamp 105 is simply connected in series with the contact switch K and is powered by a power supply. Fig. 5 is a basic circuit diagram of each function indicator lamp and the contact switch and the power supply.
As a further improvement, when the temperature displayed by the temperature controller is more than or equal to 100.1 ℃, the fan indicator 1051 is on; when the temperature of the temperature controller is less than or equal to 79.9 ℃, the fan indicator 1051 is turned off. Specifically, when the temperature controller displays that the temperature is higher than or equal to 100.1 ℃, the fan function is started, a contact switch K1 between the 24 th terminal and the 21 st terminal is closed, a fan function wiring loop is conducted, and a fan indicator lamp 1051 is turned on; when the temperature of the temperature controller is less than or equal to 79.9 ℃, the fan function is closed, the contact switch K1 between the 24 th terminal and the 21 st terminal is disconnected, the fan function wiring loop is disconnected, and the fan indicator lamp 1051 is turned off.
As a further improvement, when the temperature displayed by the temperature controller is higher than or equal to 130.5 ℃, the alarm indicator 1052 is on; when the temperature of the temperature controller is less than or equal to 129.5 ℃, the alarm indicator 1052 is turned off. Specifically, when the temperature controller displays that the temperature is larger than or equal to 130.5, the 16 th terminal and the 15 th terminal contact switch K4 is closed, the alarm function wiring loop is conducted, the temperature controller rings to alarm, and the alarm indicator light 1052 is on; when the temperature of the temperature controller is less than or equal to 129.5, the alarm function is closed, the contact switch K4 between the 16 th terminal and the 15 th terminal is disconnected, the wiring loop of the alarm function is disconnected, the temperature controller stops sounding and alarming, and the alarm indicator light 1052 is turned off.
As a further improvement, when the temperature controller displays that the temperature is more than or equal to 150.5 ℃, the trip indicator lamp 1053 is lighted; when the temperature of the temperature controller is less than or equal to 149.5 ℃, the trip indicator lamp 1053 is turned off. Specifically, when the temperature controller displays that the temperature is larger than or equal to 150.5, the contact switch K3 between the 18 th terminal and the 17 th terminal is closed, the trip function wiring loop is conducted, the temperature controller rings to alarm, and the trip indicator lamp 1053 is on; when the temperature of the temperature controller is less than or equal to 149.5, the tripping function is closed, the contact switch K3 between the 18 th terminal and the 17 th terminal is disconnected, the wiring loop of the tripping function is disconnected, the temperature controller stops sounding and alarming, and the tripping indicator lamp 1053 is turned off.
As a further improvement, when the temperature controller displays that the temperature is OP, the fault indicator lamp 1054 is on; when the temperature of the temperature controller is normally displayed, the fault indicator lamp 1054 is turned off. Specifically, when the temperature controller displays that the temperature is OP, the fault function is started, a contact switch K2 between the 19 th terminal and the 20 th terminal is closed, a fault function wiring loop is conducted, the temperature controller rings to alarm, and a fault indicator lamp 1054 is turned on; when the temperature of the temperature controller returns to normal display, the fault function is closed, the contact switch K2 between the 19 th terminal and the 20 th terminal is disconnected, the fault function wiring loop is disconnected, the temperature controller stops sounding and alarming, and the fault indicator lamp 1054 is turned off.
As a further improvement, after the button switch 106 is pressed, the door switch function of the test fixture is started; and after the button switch 106 is released, the door switch function of the test tool is closed. Specifically, after the button switch 10 is pressed, the door switch function is started, the 13 th terminal and the 14 th terminal are short-circuited, the internal wiring loop (door switch function) of the temperature controller is conducted, the temperature controller rings for alarm, and a standby indicator lamp (a standby indicator lamp on a display interface of the temperature controller) on the temperature controller flickers; when the button switch 106 is released, the door switch is turned off, the 13 th terminal and the 14 th terminal are disconnected, the wiring loop in the temperature controller is disconnected, the temperature controller stops sounding and alarming, and the standby indicator lamp is turned off.
As a further improvement, the iron core/fan indicator 1055 corresponds to two functions of the thermostat: iron core alarm function, computer lab fan function. For the test tool, the functions of a fan, an alarm and a trip of the temperature controller are controlled by A, B, C three phases, the functions of an iron core alarm and a machine room fan are controlled by D phases, and the fault function can be controlled by A, B, C, D four phases.
As a further improvement, when the temperature displayed by the temperature controller-D phase is more than or equal to 130.5 ℃, the iron core/fan indicator 1055 is on; when the temperature of the temperature controller is less than or equal to 129.5 ℃, the iron core/fan indicating lamp 1055 is turned off. Specifically, when the temperature controller displays that the temperature is higher than or equal to 130.5 ℃, the iron core alarm function is started, a contact switch K1 between the 10 th terminal and the 11 th terminal is closed, the wiring loop of the iron core alarm function is conducted, and the iron core/fan indicator 1055 is turned on; when the temperature of the temperature controller is less than or equal to 129.5 ℃, the iron core alarm function is closed, the contact switch K1 between the 10 th terminal and the 11 th terminal is disconnected, the wiring loop of the iron core alarm function is disconnected, and the iron core/fan indicator lamp 1055 is turned off.
As a further improvement, when the temperature displayed by the temperature controller-D phase is more than or equal to 37.5 ℃, the iron core/fan indicator 1055 is on; when the temperature of the temperature controller is less than or equal to 32.5 ℃, the iron core/fan indicating lamp 1055 is turned off. Specifically, when the temperature controller displays that the temperature is larger than or equal to 37.5 ℃, the function of the machine room fan is started, the contact switch K1 between the 10 th terminal and the 11 th terminal is closed, the wiring loop of the machine room fan function is conducted, and the iron core/fan indicator 1055 is turned on; when the temperature of the temperature controller is less than or equal to 32.5 ℃, the function of the machine room fan is closed, the contact switch K1 between the 10 th terminal and the 11 th terminal is disconnected, the wiring loop of the machine room fan function is disconnected, and the iron core/fan indicator lamp 1055 is turned off.
The contact test tool forms a detection circuit, can directly connect the temperature controller to be detected with the test tool to carry out contact detection, and does not need manual inspection. And, the last function pilot lamp that has of this test fixture shows, and all function pilot lamps concentrate on same piece base, when detecting, can observe light and show, easily observes and judges. Through this test fixture, can make according to actual demand, reach many, for example 10, 20 or more temperature controllers operation requirements such as power-on simultaneously, operation, inspection, can very big improvement work efficiency, simplify the inspection step of product.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. A temperature controller verifying attachment, its characterized in that includes:
temperature switches frock board, it includes:
the knob switch is at least provided with one gear, and each gear corresponds to a gear wiring end;
the temperature interface connector is used for connecting a temperature controller to be tested;
the temperature input line set is provided with at least one temperature input line, the input end of each temperature input line is correspondingly connected with each gear terminal, and the output end of each temperature input line is respectively connected to the temperature interface connector;
contact test fixture, it includes:
a base;
the display panel is arranged on one side of the base, and a button switch and a plurality of function indicating lamps are arranged on the display panel;
the limiting baffle is arranged on one side of the base opposite to the display panel; a plurality of connecting terminal thimbles are arranged on the limiting baffle, the testing tool is connected with the temperature controller through the thimbles, and the connecting terminal thimbles are electrically connected with the function indicator lamp and the button switch;
the limiting blocking pieces are arranged on the base and are positioned at two ends between the display panel and the limiting baffle;
the base, display panel, spacing separation blade, the region that spacing baffle formed is used for placing the temperature controller.
2. The thermostat testing device of claim 1, wherein each of the temperature input lines comprises a plurality of sets of conducting switches and a high-precision resistor connected to the conducting switches, each of the conducting switches comprises a control terminal and a conducting terminal, the control terminal is connected to the gear terminal corresponding to the temperature input line, and the conducting terminal is connected to the temperature interface connector after connecting the high-precision resistor corresponding thereto.
3. The thermostat testing device of claim 2, wherein the knob switch has 5 positions of 1/2/3/4/5 th position, corresponding to the 1/2/3/4/5 th position terminal; the temperature input line set has 5 lines of 1/2/3/4/5 th temperature input lines.
4. The temperature controller testing device as claimed in claim 3, wherein the 1/2/3/4/5 th input line corresponds to the 1/2/3/4/5 th high precision resistor, and the 1/2/3/4/5 th high precision resistor has different resistance values.
5. The thermostat testing device of claim 2, wherein the conduction switch is one of a relay and a power transistor.
6. The thermostat testing device of any one of claims 1-5, wherein the temperature interface connector model is DB-15P.
7. The thermostat testing device of claim 1, wherein the number of function indicator lights is at least 5.
8. The temperature controller contact test tool according to claim 7, wherein the number of the function indicating lamps is 5, and is defined as: fan indicator lights, alarm indicator lights, trip indicator lights, fault indicator lights, iron core/fan indicator lights.
9. The temperature controller contact testing tool according to claim 8, wherein the testing tool is powered by a 12V direct current power supply and a 220V alternating current power supply, the number of the pins of the connecting terminal is 24, and the pins are defined as 1 st to 24 th pins; an external 220V alternating-current power supply is connected between the 24 th thimble and the 23 th thimble, the fan indicator lamp is connected between the 22 th thimble and the 21 st thimble, one end of the alarm indicator lamp, one end of the trip indicator lamp, one end of the fault indicator lamp and one end of the iron core/fan indicator lamp are all connected to a negative electrode of a 12V direct-current power supply, the other end of the alarm indicator lamp, the other end of the trip indicator lamp, the other end of the fault indicator lamp and the other end of the iron core/fan indicator lamp are respectively connected to the 16 th thimble, the 18 th thimble, the 20 th thimble and the 10 th thimble, the 15 th thimble, the 17 th thimble and the 19 th thimble are connected to a positive electrode of the 12V direct-current power supply, and the 11 th thimble is connected to the 19 th thimble; the button switch is connected between the 14 th thimble and the 13 th thimble.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010130914.5A CN111258304A (en) | 2020-02-28 | 2020-02-28 | Temperature controller verifying attachment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010130914.5A CN111258304A (en) | 2020-02-28 | 2020-02-28 | Temperature controller verifying attachment |
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| CN111258304A true CN111258304A (en) | 2020-06-09 |
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| CN202010130914.5A Pending CN111258304A (en) | 2020-02-28 | 2020-02-28 | Temperature controller verifying attachment |
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| CN207751610U (en) * | 2017-12-19 | 2018-08-21 | 四川大唐国际甘孜水电开发有限公司 | A kind of dry transformer temperature measurement instrument calibration equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202196133U (en) * | 2011-09-09 | 2012-04-18 | 邢台供电公司 | Main shift and temperature comprehensive test box |
| CN203163906U (en) * | 2013-04-11 | 2013-08-28 | 国家电网公司 | Knob-type fixed-gear temperature measuring resistor |
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Application publication date: 20200609 |
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